In a certain plant, the orange flower allele (Y) is dominant to the yellow flower allele (y). An allele that prevents flower color pigment formation (W) results in white flowers irrespectively of the Y and y alleles, and is dominant to an allele (w) that allows flower color formation. What is the expected proportion of phenotypes in the offspring of a cross between plants with the following genotypes? yyWw X Yyww 9/16 white flowers, 3/16 orange flowers, 4/16 yellow flowers 1/3 white flowers, 1/3 orange flowers, 1/3 yellow flowers 12/16 white flowers, 3/16 orange flowers, 1/16 yellow flowers 6/8 white flowers, 1/8 orange flowers, 1/8 yellow flowers 1/2 white flowers, 1/4 orange flowers, 1/4 yellow flowers
In a certain plant, the orange flower allele (Y) is dominant to the yellow flower allele (y). An allele that prevents flower color pigment formation (W) results in white flowers irrespectively of the Y and y alleles, and is dominant to an allele (w) that allows flower color formation. What is the expected proportion of phenotypes in the offspring of a cross between plants with the following genotypes? yyWw X Yyww 9/16 white flowers, 3/16 orange flowers, 4/16 yellow flowers 1/3 white flowers, 1/3 orange flowers, 1/3 yellow flowers 12/16 white flowers, 3/16 orange flowers, 1/16 yellow flowers 6/8 white flowers, 1/8 orange flowers, 1/8 yellow flowers 1/2 white flowers, 1/4 orange flowers, 1/4 yellow flowers
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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Question
In a certain plant, the orange flower allele (Y) is dominant to the yellow flower allele (y). An allele that prevents flower color pigment formation (W) results in white flowers irrespectively of the Y and y alleles, and is dominant to an allele (w) that allows flower color formation.
What is the expected proportion of
yyWw X Yyww
9/16 white flowers, 3/16 orange flowers, 4/16 yellow flowers |
1/3 white flowers, 1/3 orange flowers, 1/3 yellow flowers |
12/16 white flowers, 3/16 orange flowers, 1/16 yellow flowers |
6/8 white flowers, 1/8 orange flowers, 1/8 yellow flowers |
1/2 white flowers, 1/4 orange flowers, 1/4 yellow flowers |
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