Assume that plant height is determined by a pair of alleles at each of two loci (A and a, B and b) that are additive in their effects. Further assume that each allele represented by an uppercase letter contributes 6 feet to height and that each allele represented by a lowercase letter contributes 2 foot to height. If a plant with genotype Aabb is crossed to a plant with genotype aaBb, what heights are expected in the progeny? 1/216ft : 1/2 12ft 1/4 16ft : 1/2 12ft : 1/4 8ft 1/4 20ft : 1/2 16ft : 1/4 12ft 1/4 24ft : 1/2 20ft : 1/4 16ft 1/2 20ft : 1/2 16ft
Assume that plant height is determined by a pair of alleles at each of two loci (A and a, B and b) that are additive in their effects. Further assume that each allele represented by an uppercase letter contributes 6 feet to height and that each allele represented by a lowercase letter contributes 2 foot to height. If a plant with genotype Aabb is crossed to a plant with genotype aaBb, what heights are expected in the progeny? 1/216ft : 1/2 12ft 1/4 16ft : 1/2 12ft : 1/4 8ft 1/4 20ft : 1/2 16ft : 1/4 12ft 1/4 24ft : 1/2 20ft : 1/4 16ft 1/2 20ft : 1/2 16ft
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter5: The Inheritance Of Complex Traits
Section: Chapter Questions
Problem 7QP: Sunflowers with flowers 10 cm in diameter are crossed with a plant that has 20-cm flowers. The F1...
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Assume that plant height is determined by a pair of alleles at each of two loci (A and a, B and b) that are additive in their effects. Further assume that each allele represented by an uppercase letter contributes 6 feet to height and that each allele represented by a lowercase letter contributes 2 foot to height. If a plant with genotype Aabb is crossed to a plant with genotype aaBb, what heights are expected in the progeny?
1/216ft : 1/2 12ft |
||
1/4 16ft : 1/2 12ft : 1/4 8ft |
||
1/4 20ft : 1/2 16ft : 1/4 12ft |
||
1/4 24ft : 1/2 20ft : 1/4 16ft |
||
1/2 20ft : 1/2 16ft |
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