What is sex linked gene ?

What is sex linked gene ?
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The sex linked gene is the gene located on the sex chromosome. There are more than 50 sex-linked genes in human sex chromosomes.
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$ Haemophilia is a sex linked disease ! Haemophilia is due to a recessive gene.

Description : $ Haemophilia is a sex linked disease ! Haemophilia is due to a recessive gene.

Last Answer : $ Haemophilia is a sex linked disease ! Haemophilia is due to a recessive gene. A. If both As and R are ... R is wrong D. If both As and R are wrong.

.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

Pick out the correct statements. (1) Haemophilia is a sex-linked recessive disease. (2) Down’s syndrome is due to aneuploidy. (3) Phenylketonuria is an autosomal recessive gene disorder. (4) Sickle cell anaemia is an X-linked recessive gene disorder. (a) (1), (3) and (4) are correct. (b) (1), (2) and (3) are correct. (c) (1) and (4) are correct. (d) (2) and (4) are correct.

Description : Pick out the correct statements. (1) Haemophilia is a sex-linked recessive disease. (2) Down's syndrome is due to aneuploidy. (3) Phenylketonuria is an autosomal recessive gene disorder. (4) Sickle cell anaemia is an X- ... are correct. (c) (1) and (4) are correct. (d) (2) and (4) are correct.

Last Answer : (b) (1), (2) and (3) are correct.

Mr. Kapoor has Bb autosomal gene pair and d allele sex-linked. What shall be proportion of Bd in sperms? (a) Zero (b) 1/2 (c) 1/4 (d) 1/8

Description : Mr. Kapoor has Bb autosomal gene pair and d allele sex-linked. What shall be proportion of Bd in sperms? (a) Zero (b) 1/2 (c) 1/4 (d) 1/8

Last Answer : (c) 1/4

Why do sex linked traits appear more in males than in females? -Biology

Description : Why do sex linked traits appear more in males than in females? -Biology

Last Answer : answer:

Why do sex linked traits appear more in males than in females? -Biology

Description : Why do sex linked traits appear more in males than in females? -Biology

Last Answer : answer:

Which genetic disease is sex -linked ? -General Knowledge

Description : Which genetic disease is sex -linked ? -General Knowledge

Last Answer : answer:

Which genetic disease is sex -linked ? -General Knowledge

Description : Which genetic disease is sex -linked ? -General Knowledge

Last Answer : answer:

What are the human problems caused by sex linked genes ?

Description : What are the human problems caused by sex linked genes ?

Last Answer : Problems that occur in humans due to sex linked genes Color blindness: Not being able to understand the differences between different races. Hemophilia: Abnormal delay in blood circulation causes continuous ... vision. Muscular dystrophy: Muscle complications , loss of mobility at the age of ten.

What is Sex- Linked Inheritance ?

Description : What is Sex- Linked Inheritance ?

Last Answer : Sex-linked heredity is the transmission of sex-linked traits through sex chromosomes.

$ Sicke cell anaemia is a type of pleiotropy. ! Sex linked inharitance is also called criss cross inheritance.

Description : $ Sicke cell anaemia is a type of pleiotropy. ! Sex linked inharitance is also called criss cross inheritance.

Last Answer : $ Sicke cell anaemia is a type of pleiotropy. ! Sex linked inharitance is also called criss cross inheritance ... wrong D. If both As and R are wrong.

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

What are some male sex-linked disorders?

Description : What are some male sex-linked disorders?

Last Answer : Baldness

Why do-sex linked traits follow different patterns of inheritance than other traits?

Description : Why do-sex linked traits follow different patterns of inheritance than other traits?

Last Answer : Sexlinked traits follow a different pattern of inheritance thana non-sex linked trait because of the size difference between the Xand y chromosomes.Think about non-sex chormosomes as being the same size, eachhaving ... of the daughters will be carriers (Aa) and all the sons willbe normal (A-).

How can a female inherit a sex linked trait?

Description : How can a female inherit a sex linked trait?

Last Answer : What is the answer ?

Sex-linked dominant?

Description : Sex-linked dominant?

Last Answer : DefinitionSex-linked dominant is a rare way that a trait or disorder can be passed down through families. A single abnormal gene on the X chromosome can cause a sex-linked dominant disease. ... are inherited through one of the sex chromosomes (the X or Y chromosome).Dominant inheritance occurs

Lesch-Nyhan syndrome, the sex linked, recessive absence of HGPRTase, may lead to (A) Compulsive self destructive behaviour with elevated levels of urate in serum (B) Hypouricemia due to liver damage (C) Failure to thrive and megaloblastic anemia (D) Protein intolerance and hepatic encephalopathy

Description : Lesch-Nyhan syndrome, the sex linked, recessive absence of HGPRTase, may lead to (A) Compulsive self destructive behaviour with elevated levels of urate in serum (B) Hypouricemia due to liver damage (C) Failure to thrive and megaloblastic anemia (D) Protein intolerance and hepatic encephalopathy

Last Answer : Answer : A

Lesch-Nyhan syndrome, the sex linked recessive disorder is due to the lack of the enzyme: (A) Hypoxanthine-guanine phosphoribosyl transferse (B) Xanthine oxidase (C) Adenine phosphoribosyl transferase (D) Adenosine deaminase

Description : Lesch-Nyhan syndrome, the sex linked recessive disorder is due to the lack of the enzyme: (A) Hypoxanthine-guanine phosphoribosyl transferse (B) Xanthine oxidase (C) Adenine phosphoribosyl transferase (D) Adenosine deaminase

Last Answer : Answer : A

The genes, which remain confined to differential region of ‘Y’ chromosome, are: (a) Autosomal genes (b) Holandric genes (c) Sex linked genes (d) Mutant genes

Description : The genes, which remain confined to differential region of ‘Y’ chromosome, are: (a) Autosomal genes (b) Holandric genes (c) Sex linked genes (d) Mutant genes

Last Answer : Ans. ((b))

Genes for sex-linked traits are located on

Description : Genes for sex-linked traits are located on

Last Answer : Ans. “Y” chromosome

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

Down’s syndrome is due to (a) crossing over (b) linkage (c) sex-linked inheritance (d) non-disjunction of chromosomes.

Description : Down’s syndrome is due to (a) crossing over (b) linkage (c) sex-linked inheritance (d) non-disjunction of chromosomes.

Last Answer : (d) non-disjunction of chromosomes.

The genes, which remain confined to differential region of Y-chromosome, are (a) autosomal genes (b) holandric genes (c) completely sex-linked genes (d) mutant genes.

Description : The genes, which remain confined to differential region of Y-chromosome, are (a) autosomal genes (b) holandric genes (c) completely sex-linked genes (d) mutant genes.

Last Answer : b) holandric genes

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

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

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 fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

Description : A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

Last Answer : (c) 1 : 1

According to text, the terms masculinity and femininity are most closely linked to [A] Patriarchy [B] Sex [C] Gender [D] Sexism

Description : According to text, the terms masculinity and femininity are most closely linked to [A] Patriarchy [B] Sex [C] Gender [D] Sexism

Last Answer : [C] Gender

Agammaglobulinemia is also known as a) Bruton’s disease. Bruton’s disease is a sex-linked disease that results in infants born with the disorder suffering severe infections soon after birth

Description : Agammaglobulinemia is also known as a) Bruton's disease. Bruton's disease is a sex-linked disease that results in infants born with the disorder suffering severe infections soon after ... of thrombocytopenia. d) Common variable immunodeficiency (CVID) CVID is another term for hypogammaglobulinemia.

Last Answer : a) Bruton’s disease. Bruton’s disease is a sex-linked disease that results in infants born with the disorder suffering severe infections soon after birth

Which genetic disease is sex -linked?

Description : Which genetic disease is sex -linked?

Last Answer : Royal haemophilia

Select the pair of hereditary disorders that are sex linked

Description : 7) Select the pair of hereditary disorders that are sex linked a)thalassemia and phenylketonuria b phenylketonuria and sicklecell anaemia c) sicklecell anaemia and colour blindness d) colour blindness and haemophilia

Last Answer : 7.d colour blindness and haemophilia

Which of the following human genetic disorders is sex-linked ? (1) Haemophilia (2) Cystic fibrosis (3) Albinism (4) PKU

Description : Which of the following human genetic disorders is sex-linked ? (1) Haemophilia (2) Cystic fibrosis (3) Albinism (4) PKU

Last Answer : Haemophilia

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

Which of the following statements is not true of two genes that show 50% recombination frequency? (a) The gene show independent assortment. (b) If the genes are present on the same chromo- some, they undergo more than one cross-overs in every meiosis. (c) The genes may be on different chromosomes. (d) The genes are tightly linked.

Description : Which of the following statements is not true of two genes that show 50% recombination frequency? (a) The gene show independent assortment. (b) If the genes are present on the same chromo- some, they ... every meiosis. (c) The genes may be on different chromosomes. (d) The genes are tightly linked.

Last Answer : (b) If the genes are present on the same chromo- some, they undergo more than one cross-overs in every meiosis.

In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates (a) the two genes are linked and present on the same chromosome (b) both of the characters are controlled by more than one gene (c) the two genes are located on two different chromosomes (d) chromosomes failed to separate during meiosis.

Description : In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates (a) the two genes are linked and present on the ... two genes are located on two different chromosomes (d) chromosomes failed to separate during meiosis.

Last Answer : (a) the two genes are linked and present on the same chromosome

A test cross is carried out to (a) determine the genotype of a plant at F2 (b) predict whether two traits are linked (c) assess the number of alleles of a gene (d) determine whether two species or varieties will breed successfully.

Description : A test cross is carried out to (a) determine the genotype of a plant at F2 (b) predict whether two traits are linked (c) assess the number of alleles of a gene (d) determine whether two species or varieties will breed successfully.

Last Answer : (a) determine the genotype of a plant at F2

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

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.

what do you mean by sex influenced gene? -Biology

Description : what do you mean by sex influenced gene? -Biology

Last Answer : answer:

A point mutation occurs in a sex cell of an adult chimpanzee. The mutation is located on a gene responsible for the development of the eye. Which describes the most likely effect of this mutation?

Description : A point mutation occurs in a sex cell of an adult chimpanzee. The mutation is located on a gene responsible for the development of the eye. Which describes the most likely effect of this mutation?

Last Answer : The chimpanzee's offspring will have abnormal eyes.

What is A situation in which genes are attached to an organisms sex chromosomes the sex of an organism influences the expression of a gene?

Description : What is A situation in which genes are attached to an organisms sex chromosomes the sex of an organism influences the expression of a gene?

Last Answer : s.e.x linked