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8. Ability to taste PTC (phenyl thiocarbamide), a bitter chemical found in some vegetables, depends on carrying at least one dominant allele, T, for the taster trait. Non-tasters are homozygous for the recessive allele (t). Another trait, albinism, is inherited as a simple recessive in which normal pigmentation is dominant. An albino man who is a taster and has a mother who is a nontaster marries a normally-pigmented woman who is a nontaster and whose father is an albino taster. (a) What are the genotypes of the man and his wife? (b) What types of children might this couple expect?

8. Ability to taste PTC (phenyl thiocarbamide), a bitter chemical found in some vegetables, depends on carrying at least one dominant allele, T, for the taster trait. Non-tasters are homozygous for the recessive allele (t). Another trait, albinism, is inherited as a simple recessive in which normal pigmentation is dominant. An albino man who is a taster and has a mother who is a nontaster marries a normally-pigmented woman who is a nontaster and whose father is an albino taster. (a) What are the genotypes of the man and his wife? (b) What types of children might this couple expect?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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8. Ability to taste PTC (phenyl thiocarbamide), a bitter chemical found in some vegetables, depends on carrying at least one dominant allele, T, for the taster trait. Non-tasters are homozygous for the recessive allele (t). Another trait, albinism, is inherited as a simple recessive in which normal pigmentation is dominant. An albino man who is a taster and has a mother who is a nontaster marries a normally-pigmented woman who is a nontaster and whose father is an albino taster. (a) What are the genotypes of the man and his wife? (b) What types of children might this couple expect? MI 900 9. In pigeons, the checkered pattern depends on a dominant allele C and plain on the recessive allele b. recessive allele c. Red color is controlled by a dominant allele B and brown by the (a) Diagram a cross between homozygous checkered red and plain brown birds. Summarize the expected F₁ and F₂ results. (b) A checkered brown female mated with a plain red male to produce 2 checkered red, parents. 2 plain red and 1 checkered brown offspring. Give the probable genotypes of the
Transcribed Image Text:8. Ability to taste PTC (phenyl thiocarbamide), a bitter chemical found in some vegetables, depends on carrying at least one dominant allele, T, for the taster trait. Non-tasters are homozygous for the recessive allele (t). Another trait, albinism, is inherited as a simple recessive in which normal pigmentation is dominant. An albino man who is a taster and has a mother who is a nontaster marries a normally-pigmented woman who is a nontaster and whose father is an albino taster. (a) What are the genotypes of the man and his wife? (b) What types of children might this couple expect? MI 900 9. In pigeons, the checkered pattern depends on a dominant allele C and plain on the recessive allele b. recessive allele c. Red color is controlled by a dominant allele B and brown by the (a) Diagram a cross between homozygous checkered red and plain brown birds. Summarize the expected F₁ and F₂ results. (b) A checkered brown female mated with a plain red male to produce 2 checkered red, parents. 2 plain red and 1 checkered brown offspring. Give the probable genotypes of the
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