In the common daisy, genes A and B control flower color. Both genes have a dominant allele (A or B) and a recessive allele (a or b). At least one copy of each dominant allele is required for flowers to be colorful instead of white. (Explain and Justify your answers) 21.1) Predict the genotypes and phenotypes of the F1 progeny of a cross between two white-flowered plants, one homozygous AA and the other homozygous BB. A) AA bb, white B) aa BB, white C) Aa Bb, colorful D) Aa Bb, white E) aa bb, colorful 21.2) Predict the phenotypic ratio of the F2 progeny of a cross between two white-flowered plants, one homozygous AA and the other homozygous BB. A) 3 colorful : 1 white B) 9 colorful : 7 white C) 9 white : 7 colorful D) 15 white : 1 colorful E) 15 colorful : 1 white 21.3) The inheritance pattern of daisy flower color provides an example of what type of gene interaction? A) additivity B) recessive epistasis C) reciprocal recessive epistasis D) dominant epistasis E) redundancy

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Description: In the common daisy, genes A and B control flower color. Both genes have a dominant allele (A or B) and a recessive allele (a or b). At least one copy of each dominant allele is required for flowers to be colorful instead of white. (Explain and Justi

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter11: The Basic Principles Of Heredity

Section: Chapter Questions

Problem 11TYU: Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were...

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In the common daisy, genes A and B control flower color. Both genes have a dominant allele (A or B) and a recessive allele (a or b). At least one copy of each dominant allele is required for flowers to be colorful instead of white. (Explain and Justify your answers)

21.1) Predict the genotypes and phenotypes of the F₁ progeny of a cross between two white-flowered plants, one homozygous AA and the other homozygous BB.

A)   AA bb, white
B)   aa BB, white
C)   Aa Bb, colorful
D)   Aa Bb, white
E)   aa bb, colorful

21.2) Predict the phenotypic ratio of the F₂ progeny of a cross between two white-flowered plants, one homozygous AA and the other homozygous BB.

A)   3 colorful : 1 white
B)   9 colorful : 7 white
C)   9 white : 7 colorful
D)   15 white : 1 colorful
E)   15 colorful : 1 white

21.3)      The inheritance pattern of daisy flower color provides an example of what type of gene interaction?
            A)   additivity
            B)   recessive epistasis
            C)   reciprocal recessive epistasis
            D)   dominant epistasis
            E)   redundancy

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