Question

inhibit recombination; 1.e., recombinant prUUUUIS JIU MIU MIUI Questions 48 to 59 deal with population genetics: see Sanders 2015/2018 - Chapter 22/20. 48. The ability to taste phenylthiocarbamide (PTC) is autosomal dominant. A sample of 100 persons in an equilibrium population disclosed 84 PTC tasters. (a) Calculate allelic frequencies for T and for 1. (b) How many heterozygotes should there be in this sample? (c) How many TT persons should there be in this sample?

just need 44 b

Answer 1

​​​​​Monosomic cross

ABB × ABB

Gametes	AB	B
AB	AABB, normal, green	ABB, green, monosomic
B	ABB, green, monosomic	BB, lethal, nullisomy (both copies of A are absent)

Disomic cross

aabb × aabb

Gametes	ab	ab
ab	aabb	aabb
ab	aabb	aabb

All will be yellow.

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