The following genotypes of two independently assorting autosomal genes determine coat color in rats:A-B- (gray); A-bb (yellow); aaB-(black); aabb (cream)A third gene pair on a separate autosome determines whetherany color will be produced. The CC and Cc genotypes allow coloraccording to the expression of the A and B alleles. However,the cc genotype results in albino rats regardless of the A and Balleles present. Determine the F1 phenotypic ratio of the followingcrosses: (a)AAbbCC * aaBBcc; (b) AaBBcc * AABbcc;(c) AaBbCc * AaBbcc.
The following genotypes of two independently assorting autosomal genes determine coat color in rats:A-B- (gray); A-bb (yellow); aaB-(black); aabb (cream)A third gene pair on a separate autosome determines whetherany color will be produced. The CC and Cc genotypes allow coloraccording to the expression of the A and B alleles. However,the cc genotype results in albino rats regardless of the A and Balleles present. Determine the F1 phenotypic ratio of the followingcrosses: (a)AAbbCC * aaBBcc; (b) AaBBcc * AABbcc;(c) AaBbCc * AaBbcc.
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter11: Genome Alterations: Mutation And Epigenetics
Section: Chapter Questions
Problem 16QP: Familial retinoblastoma, a rare autosomal dominant defect, arose in a large family that had no prior...
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The following genotypes of two independently assorting autosomal genes determine coat color in rats:
A-B- (gray); A-bb (yellow); aaB-(black); aabb (cream)
A third gene pair on a separate autosome determines whether
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. Determine the F1
crosses: (a)AAbbCC * aaBBcc; (b) AaBBcc * AABbcc;
(c) AaBbCc * AaBbcc.
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