Which one is the incorrect statement with regard to the importance of pedigree analysis? (a) It confirms that DNA is the carrier of genetic information. (b) It helps to understand whether the trait in question is dominant or recessive. (c) It confirms that the trait is linked to one of the autosome. (d) It helps to trace the inheritance of a specific trait.

Which one is the incorrect statement with regard to
the importance of pedigree analysis?
(a) It confirms that DNA is the carrier of genetic
information.
(b) It helps to understand whether the trait in
question is dominant or recessive.
(c) It confirms that the trait is linked to one of the
autosome.
(d) It helps to trace the inheritance of a specific
trait.
by

1 Answer

Answer :

(a) It confirms that DNA is the carrier of genetic
information.
by

Related questions

Study the pedigree chart given below. What does it show? (a) Inheritance of a condition like phenylketonuria as an autosomal recessive trait. (b) The pedigree chart is wrong as this is not possible. (c) Inheritance of a recessive sex-linked disease like haemophilia. (d) Inheritance of a sex-linked inborn error of metabolism like phenylketonuria

Description : Study the pedigree chart given below. What does it show? (a) Inheritance of a condition like phenylketonuria as an autosomal recessive trait. (b) The pedigree chart is wrong as this is ... disease like haemophilia. (d) Inheritance of a sex-linked inborn error of metabolism like phenylketonuria

Last Answer : (a) Inheritance of a condition like phenylketonuria as an autosomal recessive trait.

Select the incorrect statement with regard to haemophilia. (a) It is a dominant disease.(b) A single protein involved in the clotting of blood is affected. (c) It is a sex-linked disease. (d) It is a recessive disease.

Description : Select the incorrect statement with regard to haemophilia. (a) It is a dominant disease. (b) A single protein involved in the clotting of blood is affected. (c) It is a sex-linked disease. (d) It is a recessive disease.

Last Answer : (a) It is a dominant disease.

A genetically diseased father (male) marries with a normal female and gives birth to 3 carrier girls and 5 normal sons. It may be which type of genetic disease? (a) Sex-influenced disease (b) Blood group inheritance disease (c) Sex-linked disease (d) Sex-recessive disease

Description : A genetically diseased father (male) marries with a normal female and gives birth to 3 carrier girls and 5 normal sons. It may be which type of genetic disease? (a) Sex-influenced disease (b) Blood group inheritance disease (c) Sex-linked disease (d) Sex-recessive disease

Last Answer : (c) Sex-linked disease

n the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree. (i) (ii) (iii) (iv) (a) Autosomal recessive (b) X-linked dominant (c) Autosomal dominant (d) X-linked recessive

Description : n the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree. (i) (ii) (iii) (iv) (a) Autosomal recessive (b) X-linked dominant (c) Autosomal dominant (d) X-linked recessive

Last Answer : (a) Autosomal recessive

Select the correct match. (a) Haemophilia – Y linked (b) Phenylketonuria – Autosomal dominant trait(c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11 (d) Thalassemia – X linked

Description : Select the correct match. (a) Haemophilia – Y linked (b) Phenylketonuria – Autosomal dominant trait (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11 (d) Thalassemia – X linked

Last Answer : (c) Sickle cell anaemia – Autosomal recessive trait,chromosome -11

What type of inheritance pattern (are the A and B alleles to each other (Autosomal dominant-Regular dominant-recessive relationship, X linked, co-dominant, incomplete dominant)?

Description : What type of inheritance pattern (are the A and B alleles to each other (Autosomal dominant-Regular dominant-recessive relationship, X linked, co-dominant, incomplete dominant)?

Last Answer : Incomplete dominance

Inheritance of primary gout is (A) Autosomal recessive (B) Autosomal dominant (C) X-linked recessive (D) X-linked dominant

Description : Inheritance of primary gout is (A) Autosomal recessive (B) Autosomal dominant (C) X-linked recessive (D) X-linked dominant

Last Answer : Answer : C

A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 sons). Three of the sons suffer from the given disease but none of the daughters affected. Which of the following mode of inheritance do you suggest for this disease? (a) Sex-linked dominant (b) Sex-linked recessive (c) Sex-limited recessive (d) Autosomal dominant

Description : A man and a woman, who do not show any apparent signs of a certain inherited disease, have seven children (2 daughters and 5 sons). Three of the sons suffer from the given disease but none ... ? (a) Sex-linked dominant (b) Sex-linked recessive (c) Sex-limited recessive (d) Autosomal dominant

Last Answer : (b) Sex-linked recessive

Which type of Mendelian inherited condition results in both genders being affected equally in a vertical pattern? a) Automosomal dominant inheritance An individual who has an autosomal dominant inherited condition carries a gene mutation for that condition on one chromosome of a pair. b) Automosomal recessive inheritance The pattern of inheritance in autosomal recessive inherited conditions is different from that of autosomal dominant inherited conditions in that it is more horizontal than vertical, with relatives of a single generation tending to have the condition. c) X-linked inheritance X-linked conditions may be inherited in families in recessive or dominant patterns.

Description : Which type of Mendelian inherited condition results in both genders being affected equally in a vertical pattern? a) Automosomal dominant inheritance An individual who has an autosomal dominant ... that combine during early embryonic development leading to incomplete closure of the neural tube.

Last Answer : a) Automosomal dominant inheritance An individual who has an autosomal dominant inherited condition carries a gene mutation for that condition on one chromosome of a pair.

Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for the character. (a) The female parent is heterozygous. (b) The parents could not have had a normal daughter for this character. (c) The trait under study could not be colour blindness. (d) The male parent is homozygous dominant.

Description : Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for the character. (a) The female parent is heterozygous. (b) The parents could not ... The trait under study could not be colour blindness. (d) The male parent is homozygous dominant.

Last Answer : (a) The female parent is heterozygous.

. Sickle-cell anaemia is (a) caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin (b) caused by a change in a single base pair of DNA (c) characterized by elongated sickle like RBCs with a nucleus (d) an autosomal linked dominant trait.

Description : . Sickle-cell anaemia is (a) caused by substitution of valine by glutamic acid in the beta globin chain of haemoglobin (b) caused by a change in a single base pair of DNA (c) characterized by elongated sickle like RBCs with a nucleus (d) an autosomal linked dominant trait.

Last Answer : (b) caused by a change in a single base pair of DNA

The genotype of a plant showing the dominant phenotype can be determined by (a) test cross (b) dihybrid cross (c) pedigree analysis (d) back cross.

Description : The genotype of a plant showing the dominant phenotype can be determined by (a) test cross (b) dihybrid cross (c) pedigree analysis (d) back cross.

Last Answer : a) test cross

In autosomal recessive inheritance: a. the rarer the trait the higher the possibility of marriages within the same family b. most recessive gene defects cause problem through failure to produce functional protein c. both males and females are affected equally severely d. all above

Description : In autosomal recessive inheritance: a. the rarer the trait the higher the possibility of marriages within the same family b. most recessive gene defects cause problem through failure to produce functional protein c. both males and females are affected equally severely d. all above

Last Answer : all above

What is the difference between a dominant and recessive trait?

Description : What is the difference between a dominant and recessive trait?

Last Answer : A: A dominant trait is a genetic trait that is expressed when present in either one or both copies of the gene, while a recessive trait is a genetic trait that is only expressed when present in both copies of the gene.

What is the difference between a dominant and a recessive trait?

Description : What is the difference between a dominant and a recessive trait?

Last Answer : A: A dominant trait is expressed when an individual has one or two copies of the dominant allele, while a recessive trait is expressed only when an individual has two copies of the recessive allele.

Was the recessive form of any trait more frequent than the dominant form Explain this result?

Description : Was the recessive form of any trait more frequent than the dominant form Explain this result?

Last Answer : What is the answer ?

Is it true that gregor mendel called an idividual that has one dominant allele and one recessive allelefor a trait a purebred?

Description : Is it true that gregor mendel called an idividual that has one dominant allele and one recessive allelefor a trait a purebred?

Last Answer : yes

Haemophilia is more common in males because it is a (a) recessive character carried by Y-chromosome (b) dominant character carried by Y-chromosome (c) dominant trait carried by X-chromosome (d) recessive trait carried by X-chromosome.

Description : Haemophilia is more common in males because it is a (a) recessive character carried by Y-chromosome (b) dominant character carried by Y-chromosome (c) dominant trait carried by X-chromosome (d) recessive trait carried by X-chromosome.

Last Answer : (d) recessive trait carried by X-chromosome

The colour blindness is more likely to occur in males than in females because (a) the Y-chromosome of males have the genes for distinguishing colours (b) genes for characters are located on the sex- chromosomes (c) the trait is dominant in males and recessive in females (d) none of these.

Description : The colour blindness is more likely to occur in males than in females because (a) the Y-chromosome of males have the genes for distinguishing colours (b) genes for characters are located on the sex- chromosomes (c) the trait is dominant in males and recessive in females (d) none of these.

Last Answer : (b) genes for characters are located on the sex- chromosomes

Test cross involves (a) crossing between two genotypes with dominant trait (b) crossing between two genotypes with recessive trait (c) crossing between two F1 hybrids (d) crossing the F1 hybrid with a double recessive genotype.

Description : Test cross involves (a) crossing between two genotypes with dominant trait (b) crossing between two genotypes with recessive trait (c) crossing between two F1 hybrids (d) crossing the F1 hybrid with a double recessive genotype.

Last Answer : (d) crossing the F1 hybrid with a double recessive genotype.

Test cross in plants or in Drosophila involves crossing (a) between two genotypes with recessive trait (b) between two F1 hybrids (c) the F1 hybrid with a double recessive genotype (d) between two genotypes with dominant trait.

Description : Test cross in plants or in Drosophila involves crossing (a) between two genotypes with recessive trait (b) between two F1 hybrids (c) the F1 hybrid with a double recessive genotype (d) between two genotypes with dominant trait.

Last Answer : (c) the F1 hybrid with a double recessive genotype

4. Crossing a Dominant character with (Homozygous & Hetrozygous) with a recessive trait to know the genome is called;- a) Back cross b) Monohybrid Cross C) Test Cross d)Dihybrid Cross

Description : 4. Crossing a Dominant character with (Homozygous & Hetrozygous) with a recessive trait to know the genome is called;- a) Back cross b) Monohybrid Cross C) Test Cross d)Dihybrid Cross

Last Answer : C) Test Cross

5 Consider a cross in which a trait is inherited by incomplete dominance. What percentage of the F2 from the matng of homozygous dominant and homozygous recessive individuals will possess the dominant phenotype?

Description : 5 Consider a cross in which a trait is inherited by incomplete dominance. What percentage of the F2 from the matng of homozygous dominant and homozygous recessive individuals will possess the dominant phenotype? a) 0 per cent b) 25 per cent c) 50 per cent d) 75 per cent

Last Answer : ANS: b 25 per cent

All the following statements about primary gout are true except (A) Its inheritance is X-linked recessive (B) It can be due to increased activity of PRPP synthetase (C) It can be due to increased activity of hypoxanthine guanine phosphoribosyl transferase (D) De novo synthesis of purines is increased in it

Description : All the following statements about primary gout are true except (A) Its inheritance is X-linked recessive (B) It can be due to increased activity of PRPP synthetase (C) It can be ... activity of hypoxanthine guanine phosphoribosyl transferase (D) De novo synthesis of purines is increased in it

Last Answer : Answer : C

.A diseased man marries a normal woman. They get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is (a) sex linked dominant (b) sex linked recessive (c) sex limited character (d) autosomal dominant.

Description : .A diseased man marries a normal woman. They get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is (a) sex linked dominant (b) sex linked recessive (c) sex limited character (d) autosomal dominant.

Last Answer : (a) sex linked dominant

Haemophilia is more commonly seen in human males than in human females because (a) a greater proportion of girls die in infancy (b) this disease is due to a Y-linked recessive mutation (c) this disease is due to an X-linked recessive mutation (d) this disease is due to an X-linked dominant mutation.

Description : Haemophilia is more commonly seen in human males than in human females because (a) a greater proportion of girls die in infancy (b) this disease is due to a Y-linked recessive mutation (c) this ... to an X-linked recessive mutation (d) this disease is due to an X-linked dominant mutation.

Last Answer : this disease is due to an X-linked recessive mutation

Which of the following most appropriately describes haemophilia? (a) Chromosomal disorder (b) Dominant gene disorder (c) Recessive gene disorder (d) X-linked recessive gene disorder

Description : Which of the following most appropriately describes haemophilia? (a) Chromosomal disorder (b) Dominant gene disorder (c) Recessive gene disorder (d) X-linked recessive gene disorder

Last Answer : (d) X-linked recessive gene disorder

A gene showing co-dominance has (a) alleles that are recessive to each other (b) both alleles independently expressed in the heterozygote (c) one allele dominant on the other (d) alleles tightly linked on the same chromosome.

Description : A gene showing co-dominance has (a) alleles that are recessive to each other (b) both alleles independently expressed in the heterozygote (c) one allele dominant on the other (d) alleles tightly linked on the same chromosome.

Last Answer : (b) both alleles independently expressed in the heterozygote

All are true about lesch-nyhan syndrome except (A) Produces self-mutilation (B) Genetic deficiency of the enzyme (C) Elevated levels of uric acid in blood (D) Inheritance is autosomal recessive

Description : All are true about lesch-nyhan syndrome except (A) Produces self-mutilation (B) Genetic deficiency of the enzyme (C) Elevated levels of uric acid in blood (D) Inheritance is autosomal recessive

Last Answer : Answer : B

Select the incorrect statement. (a) Inbreeding helps in accumulation of superior genes and elimination of undesirable genes. (b) Inbreeding increases homozygosity. (c) Inbreeding is essential to evolve purelines, in any animal. (d) Inbreeding selects harmful recessive gene that reduce fertility and productivity.

Description : Select the incorrect statement. (a) Inbreeding helps in accumulation of superior genes and elimination of undesirable genes. (b) Inbreeding increases homozygosity. (c) Inbreeding is essential to ... any animal. (d) Inbreeding selects harmful recessive gene that reduce fertility and productivity.

Last Answer : (d) Inbreeding selects harmful recessive gene that reduce fertility and productivity.

What does dominant and recessive mean in genetic?

Description : What does dominant and recessive mean in genetic?

Last Answer : What is the answer ?

Haploids are more suitable for mutation studies than the diploids. This is because (a) haploids are more abundant in nature than diploids (b) all mutations, whether dominant or recessive are expressed in haploids (c) haploids are reproductively more stable than diploids (d) mutagens penetrate in haploids more effectively than in diploids.

Description : Haploids are more suitable for mutation studies than the diploids. This is because (a) haploids are more abundant in nature than diploids (b) all mutations, whether dominant or recessive ... more stable than diploids (d) mutagens penetrate in haploids more effectively than in diploids.

Last Answer : (b) all mutations, whether dominant or recessive are expressed in haploids

Select the incorrect statement from the following. (a) Galactosemia is an inborn error of metabolism. (b) Small population size results in random genetic drift in a population. (c) Baldness is a sex-limited trait. (d) Linkage is an exception to the principle of independent assortment in heredity

Description : Select the incorrect statement from the following. (a) Galactosemia is an inborn error of metabolism. (b) Small population size results in random genetic drift in a population. (c) Baldness is a sex-limited trait. (d) Linkage is an exception to the principle of independent assortment in heredity

Last Answer : (c) Baldness is a sex-limited trait.

Indicate which of the statement is incorrect with regard to coning of Wheels a)coning of wheels help the vehicle to negotiate a curve smoothly b) It helps in smooth riding c) It increases wear and Tear of wheel flanges* d)it enables the outer wheel of vehicle to take a longer distance e) it restricts the swaying of vehicles

Description : Indicate which of the statement is incorrect with regard to coning of Wheels a)coning of wheels help the vehicle to negotiate a curve smoothly b) It helps in smooth riding c) It increases ... enables the outer wheel of vehicle to take a longer distance e) it restricts the swaying of vehicles

Last Answer : c) It increases wear and Tear of wheel flanges*

All the following statements about xeroderma pigmentosum are true except (A) It is a genetic disease (B) Its inheritance is autosomal dominant (C) uvr ABC excinuclease is defective in this disease (D) It results in multiple skin cancers

Description : All the following statements about xeroderma pigmentosum are true except (A) It is a genetic disease (B) Its inheritance is autosomal dominant (C) uvr ABC excinuclease is defective in this disease (D) It results in multiple skin cancers

Last Answer : Answer : B

Of the following blood tests, which confirms the presence of antibodies to HIV? a) Enzyme-linked immunoabsorbant assay (ELISA) ELISA, as well as Western blot assay, identifies and confirms the presence of antibodies to HIV.

Description : Of the following blood tests, which confirms the presence of antibodies to HIV? a) Enzyme-linked immunoabsorbant assay (ELISA) ELISA, as well as Western blot assay, identifies and confirms the presence ... test. Rather, it is an enzyme that transforms single-stranded RNA into a double-stranded DNA.

Last Answer : a) Enzyme-linked immunoabsorbant assay (ELISA) ELISA, as well as Western blot assay, identifies and confirms the presence of antibodies to HIV.

Genetic identity of a human male is determined by (a) sex-chromosome (b) cell organelles (c) autosome (d) nucleolus.

Description : Genetic identity of a human male is determined by (a) sex-chromosome (b) cell organelles (c) autosome (d) nucleolus.

Last Answer : a) sex-chromosome

Question about DNA and genetic inheritance (details inside)

Description : Question about DNA and genetic inheritance (details inside)

Last Answer : answer:That kind of testing has a certain level of speculation. The algorithm that comes up with those percentages is not perfect. It's like when you see a temperature reading carried out ... of this speculation on your reports. Then there is another alternative that could be rather uncomfortable .

Identify the wrong statement with regard to restriction enzymes. (a) Each restriction enzyme functions by inspecting the length of a DNA sequence. (b) They cut the strand of DNA at palindromic sites. (c) They are useful in genetic engineering. (d) Sticky ends can be joined by using DNA ligases.

Description : Identify the wrong statement with regard to restriction enzymes. (a) Each restriction enzyme functions by inspecting the length of a DNA sequence. (b) They cut the strand of DNA at palindromic sites. (c) They are useful in genetic engineering. (d) Sticky ends can be joined by using DNA ligases.

Last Answer : d) Sticky ends can be joined by using DNA ligases.

What statement is true about recessive sex-linked traits such as color blindness?

Description : What statement is true about recessive sex-linked traits such as color blindness?

Last Answer : Males inherit them only from their mothers -apex

Which of the following statement(s) is/are true concerning hemophilia A? a. Hemophilia A is inherited as a sex-linked recessive deficiency of factor VIII b. A positive family history for bleeding disorders present in all patients c. Laboratory tests reveal a prolongation of aPTT, prothrombin time (PT), thrombin clotting time and platelet aggregation d. Spontaneous bleeding is unusual with factor VIII levels greater than 10% of normal

Description : Which of the following statement(s) is/are true concerning hemophilia A? a. Hemophilia A is inherited as a sex-linked recessive deficiency of factor VIII b. A positive family history for ... platelet aggregation d. Spontaneous bleeding is unusual with factor VIII levels greater than 10% of normal

Last Answer : Answer: a, d Hemophilia A is inherited as a sex-linked recessive deficiency of factor VIII although 0% of cases are secondary to spontaneous mutation. The incidence of this abnormality is ... factor levels as low as 1% have been noted and patients are at risk for spontaneous bleeding

The molecule which helps in decoding genetic information carried by DNA

Description : The molecule which helps in decoding genetic information carried by DNA

Last Answer : Ans. RNA

What is a section of DNA molecule that carries the genetic code for a particular trait?

Description : What is a section of DNA molecule that carries the genetic code for a particular trait?

Last Answer : Need answer

In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these can be used as a vector/vectors. (i) Bacterium (ii) Plasmid (iii)Plasmodium (iv) Bacteriophage (a) (i), (ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)

Description : In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in this regard and select the correct option about which one or more of these ... ii) and (iv) (b) (i) only (c) (i) and (iii) (d) (ii) and (iv)

Last Answer : (d) (ii) and (iv)

What is pedigree analysis? -Biology

Description : What is pedigree analysis? -Biology

Last Answer : answer:

How pedigree analysis can be useful? -Biology

Description : How pedigree analysis can be useful? -Biology

Last Answer : answer:

Which one of the following symbols and its representation, used in human pedigree analysis is correct? (a) Mating between relatives (b) Unaffected male (c) Unaffected female (d) Male affected

Description : Which one of the following symbols and its representation, used in human pedigree analysis is correct? (a) Mating between relatives (b) Unaffected male (c) Unaffected female (d) Male affected

Last Answer : (a) Mating between relatives

What can you determine about an organism's genotype if a recessive trait is expressed in an organism's phenotype?

Description : What can you determine about an organism's genotype if a recessive trait is expressed in an organism's phenotype?

Last Answer : Feel Free to Answer

In order to have a recessive trait an organism must have what copies of he recessive allele?

Description : In order to have a recessive trait an organism must have what copies of he recessive allele?

Last Answer : What is the answer ?

If Parent 1 Ty crosses with Parent 2 Ty what percentage of offspring will display the recessive trait?

Description : If Parent 1 Ty crosses with Parent 2 Ty what percentage of offspring will display the recessive trait?

Last Answer : Need answer