(purpie) a. What petal color would you expect in a pure breeding plant unable to catalyze the first reaction? Indicate the genotype and phenotype. b. What petal color would you expect in a pure breeding plant unable to catalyze the second reaction? Indicate the genotype and phenotype. c. If plants 1 and 2 are crossed, what petal color would the F1 plants have? Indicate the genotype and phenotype. d. What ratio of purple : blue : white plants would you expect in the F2? Indicate the genotypes, phenotypes, and the F2 phenotypic ratio.
(purpie) a. What petal color would you expect in a pure breeding plant unable to catalyze the first reaction? Indicate the genotype and phenotype. b. What petal color would you expect in a pure breeding plant unable to catalyze the second reaction? Indicate the genotype and phenotype. c. If plants 1 and 2 are crossed, what petal color would the F1 plants have? Indicate the genotype and phenotype. d. What ratio of purple : blue : white plants would you expect in the F2? Indicate the genotypes, phenotypes, and the F2 phenotypic ratio.
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:B. In sweet peas, the synthesis of purple anthocyanin pigment in the petals is controlled by two
genes, B and D. The pathway is...
Gene B
Gene D
Enzyme B
Enzyme D
white intermediate-
blue intermediate-
anthocyanin (purple)
a. What petal color would you expect in a pure breeding plant unable to catalyze the first
reaction? Indicate the genotype and phenotype.
b. What petal color would you expect in a pure breeding plant unable to catalyze the second
reaction? Indicate the genotype and phenotype.
c. If plants 1 and 2 are crossed, what petal color would the F1 plants have? Indicate the
genotype and phenotype.
d. What ratio of purple : blue : white plants would you expect in the F2? Indicate the genotypes,
phenotypes, and the F2 phenotypic ratio.
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