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Biology, 23.01.2021 09:10 cool185635

Genes A andB are both involved in the production of purple pigment in eggplants. Lack of pigment results in white eggplant. Gene A converts a non-pigmented protein (X) to another non-pigmented protein (Y).
Gene B converts protein Y into a purple pigmented protein (protein Z).
From a cross of two pure breeding lines of white eggplants, all of the F1 have purple color.
A) What is the genotype of the F1s
B) What are the expected phenotypes and their ratios in the F2?
C) What would be the expected phenotypes and their ratios if F1 plants were test crossed?
D) The failure to convert protein Y to Z leads to over accumulation of protein Y. This in turn gives the eggplant an unpleasant flavor. What will be the frequency of F2 plants With this unpleasant flavor?

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