Genotype of aarr, In a pathway controlling flower color, a

Genotype of aarr

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Reference no: EM1384022

1. In a pathway controlling flower color, a functioning copy of gene A is needed to produce enzyme A, which catalyzes the synthesis of red pigment. Without enzyme A, the flower only makes white pigment. A second gene, gene R, encodes a repressor protein that inhibts enzyme A. If a plant were to have a genotype of AaRr, what color would the flower be?

Question 18 options:

The flower would be white because the repressor protein is present and it is inhibiting enzyme A

The flower would be red because enzyme A is present and the repressor gene is broken

The flower would be white because the genes for enzyme A and the repressor are broken

2. Is the gene interaction in the question above is an example of dominant epistasis?

3. Consider the mouse hair color "agouti" system. If you mate together a heterozygous agouti mouse (AaCc) with another mouse that is homozygous black, what proportion of the progeny would you expect to be heterozygous agouti?

Question 20 options:

	1/8
	1/4
	1/2
	0

Reference no: EM1384022

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Genotype of aarr

Reference no: EM1384022

Reference no: EM1384022

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