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guapka [62]
3 years ago
6

In the pea garden, Mendel found that yellow seed color was dominant to green (A>a) and round seed shape was dominant to shrun

ken (R>r). a) What phenotypic ratio would be expected in the F2 from a cross of a pure yellow, round x green, shrunken
Biology
1 answer:
ahrayia [7]3 years ago
3 0

Answer:

The correct answer is - 9:3:3:1

Explanation:

A cross between pure yellow round seeds(AARR) to another pure green shrunken seeds (aarr). In the F1 generation, all offsprings are heterozygous yellow round(YyrRr).

Now this heterozygous self-pollination, in the F2 generation, 9 plants are Yellow round, 3 plants are yellow shrunken, 3 plants are green round and 1 plant is green wrinkled are formed.

             YR               Yr            yR         yr

YR       YYRR         YYRr         YyRR      YyRr

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