17. In rats, the following genotypes of two independently assorting autosomal genes determine coat color. A_B_ (gray) A_bb (yellow) aaB_ (black) aabb (cream) A third gene pair on a separate autosome determines whether or not any color will be produced. The CC and Cc genotypes allow color according to the expression of the A and B alleles. However, the cc genotype results in albino rats regardless of the A and B alleles present. Given the inheritance pattern of coat color in rats described in Problem 17, predict the genotype and phenotype of the parents who produced the following offspring: (c) 27/64 gray: 16/64 albino: 9/64 yellow: 9/64 black: 3/64 cream
17. In rats, the following genotypes of two independently assorting autosomal genes determine coat color. A_B_ (gray) A_bb (yellow) aaB_ (black) aabb (cream) A third gene pair on a separate autosome determines whether or not any color will be produced. The CC and Cc genotypes allow color according to the expression of the A and B alleles. However, the cc genotype results in albino rats regardless of the A and B alleles present. Given the inheritance pattern of coat color in rats described in Problem 17, predict the genotype and phenotype of the parents who produced the following offspring: (c) 27/64 gray: 16/64 albino: 9/64 yellow: 9/64 black: 3/64 cream
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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17. In rats, the following genotypes of two independently assorting autosomal genes determine coat color.
A_B_ (gray)
A_bb (yellow)
aaB_ (black)
aabb (cream)
A third gene pair on a separate autosome determines whether or not any color will be produced.
The CC and Cc genotypes allow color according to the expression of the A and B alleles.
However, the cc genotype results in albino rats regardless of the A and B alleles present.
Given the inheritance pattern of coat color in rats described in Problem 17, predict the genotype and
(c) 27/64 gray: 16/64 albino: 9/64 yellow: 9/64 black: 3/64 cream
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