Is color blindness a trait controlled by a dominant allele on the x chromosome?

Is color blindness a trait controlled by a dominant allele on the x chromosome?
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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

What allele whose trait only shows up when no dominant allele is present?

Description : What allele whose trait only shows up when no dominant allele is present?

Last Answer : recessive alle

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

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

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.

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

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

A plant has two alleles for color. The red allele is recessive, and is represented by q. The purple allele is dominant, and is represented by p. If 30 of 100 organisms are red, what is q?

Description : A plant has two alleles for color. The red allele is recessive, and is represented by q. The purple allele is dominant, and is represented by p. If 30 of 100 organisms are red, what is q?

Last Answer : 0.55

A fly has two alleles for the color of its eyes. The green allele is recessive, and is represented by q. The blue allele is dominant, and is represented by p. If 20 of 100 organisms are green, what is q?

Description : A fly has two alleles for the color of its eyes. The green allele is recessive, and is represented by q. The blue allele is dominant, and is represented by p. If 20 of 100 organisms are green, what is q?

Last Answer : A. 0.45 Apex

This-color-blot-test-will-determine-your-dominant-personality-trait?

Description : This-color-blot-test-will-determine-your-dominant-personality-trait?

Last Answer : Green

How does an allele cause a trait in an organism?

Description : How does an allele cause a trait in an organism?

Last Answer : The allele causes a certain type of protein to form. -Apex

What member of the family carry the allele for the trait?

Description : What member of the family carry the allele for the trait?

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 ?

What Neither allele For a trait is?

Description : What Neither allele For a trait is?

Last Answer : What is the answer ?

What is two copies of the same allele for a trait?

Description : What is two copies of the same allele for a trait?

Last Answer : Need answer

What happens when allele for a trait are codominate?

Description : What happens when allele for a trait are codominate?

Last Answer : Codominant allele means both the alleles are strong (not recessive small case alphabets are for recessive) so it will give both features the alleles physical appearance (Phenotype)Eg Red flower allele R ... produce Pink flower as both Capital letter R and capital letter W denote both as dominant.

A pair of contrasting characters controlling the same trait is called - (1) factors (2) loci (3) allele (4) lineage

Description : A pair of contrasting characters controlling the same trait is called - (1) factors (2) loci (3) allele (4) lineage

Last Answer : (3) allele Explanation: An allele is one of a pair of genes that appear at a particular location on a particular chromosome and control the same characteristic, such as blood type or ... individual is called a homozygote; when the two alleles are different, the individual is a heterozygote.

A pair of contrasting characters controlling the same trait is called (1) factors (2) loci (3) allele (4) lineage

Description : A pair of contrasting characters controlling the same trait is called (1) factors (2) loci (3) allele (4) lineage

Last Answer : allele

What is the difference between a dominant and recessive allele?

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

Last Answer : A: A dominant allele expresses its phenotype even if only one copy is present, while a recessive allele expresses its phenotype only if two copies are present.

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

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

Last Answer : A: A dominant allele is one that is expressed in the phenotype of an organism even if only one copy is present, while a recessive allele is only expressed in the phenotype if two copies are present.

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

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

Last Answer : A: A recessive allele is an allele that is only expressed when present in a homozygous state, while a dominant allele is an allele that is expressed even when present in a heterozygous state.

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

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

Last Answer : A: A dominant allele is expressed in the phenotype when present, while a recessive allele is only expressed in the phenotype when two copies are present.

What is the difference between a dominant and recessive allele?

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

Last Answer : A: A dominant allele is expressed in the phenotype even if it is present in only one copy, while a recessive allele is only expressed in the phenotype if it is present in two copies.

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

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

Last Answer : A: A dominant allele is expressed when present in either the homozygous or heterozygous state, while a recessive allele is only expressed when present in the homozygous state.

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

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

Last Answer : A: A dominant allele masks the expression of a recessive allele in a heterozygous individual.

In sheep the allele for white wall parentheses A is dominant over the allele for black wall parentheses a how do you determine the genotype of a white ram or male sheep?

Description : In sheep the allele for white wall parentheses A is dominant over the allele for black wall parentheses a how do you determine the genotype of a white ram or male sheep?

Last Answer : Need answer

In fruit flies the allele for red eyes R is dominant which genotype represents a white-eyed male fruit fly?

Description : In fruit flies the allele for red eyes R is dominant which genotype represents a white-eyed male fruit fly?

Last Answer : X"Y . I hate novanet .

In fruit flies the allele for red eyes r is dominant which genotype represents a white eyed male fruit fly?

Description : In fruit flies the allele for red eyes r is dominant which genotype represents a white eyed male fruit fly?

Last Answer : X"Y . I hate novanet .

A species of flu has two alleles for the length of their legs. The allele for long leg is dominant, and is represented by p. The allele for short legs is recessive, and is represented by q. If 33 of 100 organisms have short legs, what is p?

Description : A species of flu has two alleles for the length of their legs. The allele for long leg is dominant, and is represented by p. The allele for short legs is recessive, and is represented by q. If 33 of 100 organisms have short legs, what is p?

Last Answer : 0.043

A species of flu has two alleles for the length of their legs. The allele for long leg is dominant, and is represented by p. The allele for short legs is recessive, and is represented by q. If 33 of 100 organisms have short legs, what is p?

Description : A species of flu has two alleles for the length of their legs. The allele for long leg is dominant, and is represented by p. The allele for short legs is recessive, and is represented by q. If 33 of 100 organisms have short legs, what is p?

Last Answer : 0.043

Haploids are able to express both recessive and dominant alleles/mutations because there are (a) many alleles for each gene (b) two alleles for each gene (c) only one allele for each gene in the individual (d) only one allele in a gene.

Description : Haploids are able to express both recessive and dominant alleles/mutations because there are (a) many alleles for each gene (b) two alleles for each gene (c) only one allele for each gene in the individual (d) only one allele in a gene.

Last Answer : (c) only one allele for each gene in the individual

An allele is dominant if it is expressed in (a) both homozygous and heterozygous states (b) second generation (c) heterozygous combination (d) homozygous combination.

Description : An allele is dominant if it is expressed in (a) both homozygous and heterozygous states (b) second generation (c) heterozygous combination (d) homozygous combination.

Last Answer : (a) both homozygous and heterozygous states

Situations in which one allele for a gene is not completely dominant over another allele for that gene are called a. multiple alleles. b. incomplete dominance. c. polygenic inheritance. d. multiple genes.

Description : Situations in which one allele for a gene is not completely dominant over another allele for that gene are called a. multiple alleles. b. incomplete dominance. c. polygenic inheritance. d. multiple genes.

Last Answer : b. incomplete dominance.

When Gregor Mendel crossed true-breeding tall plants with true-breeding short plants, all the offspring were tall because a. the allele for tall plants is recessive. b. the allele for short plants is dominant. c. the allele for tall plants is dominant. d. they were true-breeding like their parents.

Description : When Gregor Mendel crossed true-breeding tall plants with true-breeding short plants, all the offspring were tall because a. the allele for tall plants is recessive. b. the allele for short plants is dominant. c. the allele for tall plants is dominant. d. they were true-breeding like their parents.

Last Answer : c. the allele for tall plants is dominant.

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 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.

What is the dominant trait when a red eyed fly mates with a blue eyed fly relying in offspring that all have red eyes?

Description : What is the dominant trait when a red eyed fly mates with a blue eyed fly relying in offspring that all have red eyes?

Last Answer : Need answer

What is Less Dominant trait called?

Description : What is Less Dominant trait called?

Last Answer : What is the answer ?

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 ?

This-abstract-image-test-will-determine-your-dominant-personality-trait?

Description : This-abstract-image-test-will-determine-your-dominant-personality-trait?

Last Answer : .

What is meant by dominant trait/factor?

Description : What is meant by dominant trait/factor?

Last Answer : The factor which expresses itself in the generations is called dominant trait/factor. Example: In the F2 generation of pea plants, the factor for tallness is called as dominant factor.

. 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

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.

Description : 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 ... linked to one of the autosome. (d) It helps to trace the inheritance of a specific trait.

Last Answer : (a) It confirms that DNA is the carrier of genetic information.

.A normal green male maize is crossed with albino female. The progeny is albino because (a) trait for a albinism is dominant (b) the albinos have biochemical to destroy plastids derived from green male (c) plastids are inherited from female parent (d) green plastids of male must have mutated.

Description : .A normal green male maize is crossed with albino female. The progeny is albino because (a) trait for a albinism is dominant (b) the albinos have biochemical to destroy plastids derived from green male (c) plastids are inherited from female parent (d) green plastids of male must have mutated.

Last Answer : (c) plastids are inherited from female paren

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

A selectable marker is used to (a) help in eliminating the non-transformants, so that the transformants can be regenerated (b) identify the gene for a desired trait in an alien organism (c) select a suitable vector for transformation in a specific crop (d) mark a gene on a chromosome for isolation using restriction enzyme.

Description : A selectable marker is used to (a) help in eliminating the non-transformants, so that the transformants can be regenerated (b) identify the gene for a desired trait in an alien organism (c) ... in a specific crop (d) mark a gene on a chromosome for isolation using restriction enzyme.

Last Answer : (a) help in eliminating the non-transformants, so that the transformants can be regenerated