In the above cross, what is the ratio between homozygous plants and heterozygous plants of $F_{2}$ progeny?

3:1

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1:2:1

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1:1

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1:1:2

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Solution

The correct option is C
1:1

Out of $F_{2}$ progeny in monohybrid cross ${\frac{1}{4}}^{t h}$ are homozygous dominant, $\frac{1}{2}$ are heterozygous dominant and ${\frac{1}{4}}^{t h}$ are homozygous recessive. Hence ratio between all the homozygous and heterozygous plants is 1:1.

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In the above cross, what is the ratio between homozygous plants and heterozygous plants of F2 progeny?

The correct option is C 1:1 Out of F2 progeny in monohybrid cross 14th are homozygous dominant, 12 are heterozygous dominant and 14th are homozygous recessive. Hence ratio between all the homozygous and heterozygous plants is 1:1.

In the above cross, what is the ratio between homozygous plants and heterozygous plants of $F_{2}$ progeny?

The correct option is C
1:1

Out of $F_{2}$ progeny in monohybrid cross ${\frac{1}{4}}^{t h}$ are homozygous dominant, $\frac{1}{2}$ are heterozygous dominant and ${\frac{1}{4}}^{t h}$ are homozygous recessive. Hence ratio between all the homozygous and heterozygous plants is 1:1.