Sunflowers with flowers 10 cm in diameter are crossed with a plant that has 16 cm flowers. The F1 plants have flowers 13 cm in diameter. In the F2 generation, 4 flowers are 10 cm in diameter and 4 are 16 cm in diameter. Between these are 5 phenotypic classes with diameters intermediate to those at the extremes. a) Assuming that the alleles that contribute to flower diameter act additively, how many genes control flower size? b) How much does each additive allele contribute to flower diameter?(show work) c) What size flower makes up the largest phenotypic class?(show work)
Sunflowers with flowers 10 cm in diameter are crossed with a plant that has 16 cm flowers. The F1 plants have flowers 13 cm in diameter. In the F2 generation, 4 flowers are 10 cm in diameter and 4 are 16 cm in diameter. Between these are 5 phenotypic classes with diameters intermediate to those at the extremes. a) Assuming that the alleles that contribute to flower diameter act additively, how many genes control flower size? b) How much does each additive allele contribute to flower diameter?(show work) c) What size flower makes up the largest phenotypic class?(show work)
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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Sunflowers with flowers 10 cm in diameter are crossed with a plant that has 16 cm flowers. The F1 plants have flowers 13 cm in diameter. In the F2 generation, 4 flowers are 10 cm in diameter and 4 are 16 cm in diameter. Between these are 5
a) Assuming that the alleles that contribute to flower diameter act additively, how many genes control flower size?
b) How much does each additive allele contribute to flower diameter?(show work)
c) What size flower makes up the largest phenotypic class?(show work)
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