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Alex
4 years ago
13

Two true-breeding stocks of pea plants are crossed. One parent has red, axial flowers and the other has white, terminal flowers;

all F 1 individuals have red, axial flowers. The genes for flower color and location assort independently. Among the F 2 offspring, what is the probability of plants with white axial flowers?
Biology
1 answer:
NARA [144]4 years ago
3 0

Answer:

3/16

Explanation:

Two true-breeding stocks of pea plants are crossed. One parent has red RR, axial flowers AA and the other has white rr, terminal flowers aa

Parent cross RRAA x rraa

Gamete: RA x ra

F1 gen. RrAa

Selfing of F1. RrAa x RrAa

F2 offspring

Rr x Rr Aa x Aa

RR Rr rr AA Aa aa

3/4 red 1/4 white 3/4 axial 1/4terminal

Probability of plants with white axial flowers is 1/4*3/4 = 3/16

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