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Mendel's Monohybrid Experiments

A pea plant h...

Question

A pea plant heterozygous for dominant trait having inflated pod and green seed is crossed with another heterozygous dominant pea plant having constricted pod and yellow seed. What is the probability of progeny having constricted pods and green
seeds? [3]

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Solution

♂/♀

iY

iy

Iy

IiYy

(Inflated yellow)

Iiyy

(Inflated green)

iy

iiYy

(Constricted yellow)

iiyy

(Constricted green)

Number of constricted pods and green seed = 1
Total number of outcomes = 4
Probability of having constricted pods and green seeds = ¼.
Therefore, the probability of having constricted pods and green seeds is ¼.

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