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3. An albino woman (no color in skin,hair,iris) whose father isalbino and mother normal ,marries a normal man, one of whoseparents is normal and the other albino. He has an albino sister.Thecouple has a normal daughter.

3a) what are the genotypes of the mother and father of the albinowoman?

b) what are the genotypes of the parents of the albino womanshusband?

c) what is the albinos womans genotype?

d) what is the albinos woman's phenotype?

e) what is the genotype of the albino womans husband?

f) what is the new child's(daughter) genotype?

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Sixta Kovacek
Sixta KovacekLv2
28 Sep 2019

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Related questions

1) A sex-linked recessive allele of gene B is the subject of this problem. Assume that a man with the recessive allele marries a woman with a normal phenotype. The woman's father had the recessive allele too. What is the probability that the couple will have a daughter with the recessive phenotype?

2)Albinism is inherited as a simple recessive trait. If a woman and her husband are both heterozygous for albinism then what is the probability that their first five children will have these phenotypes? Child 1 - albino; child 2 - normal; child 3 - normal; child 4 - albino; child 5 - normal?

3)Glucose-6-phosphate dehydrogenase deficiency (G6PD) is inherited as an X-linked recessive gene in humans. A woman whose father suffered from G6PD marries a normal man. (a) What proportion of their sons is expected to be G6PD? (b) If the husband were G6PD deficient would you change your answer in part (a)?

. About 70% of Americans get a bitter taste from the substancecalled phenylthiocarbamide (PTC). It is tasteless to the rest. The"taster" allele is dominant to non-taster. Also, normal skinpigmentation is dominant to albino. A normally pigmented woman whois taste-blind for PTC has an albino-taster father. She marries analbino man who is a taster, though the man's mother is anon-taster.

A. Whatare the genotypes of the woman and man?

- B. What phenotypesand in what proportion would you expect in their children?

2. A black guinea pig crossed with an albino guinea pig produced 12black offspring. When the albino was crossed with a second blackone, 7 blacks and 5 albinos were obtained. What is the bestexplanation for this genetic situation? Write genotypes for theparents, gametes, and offspring.



3. The litter resulting from the mating of two short-tailed catscontains three kittens without tails, two with long tails, and sixwith short tails. What would be the simplest way of explaining theinheritance of tail length in these cats? Show the genotypes.

4. A normal vision man and woman produce three boys, one of whichis colorblind and the other two with normal vision. What are thegenotypes of the parents? (This is a sex-linked problem)

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