Q.

In which of the following, the Mendelian genotypic monohybrid ratio is modified ?

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a

All of these

b

Incomplete dominance

c

Co-dominance

d

Lethality

answer is C.

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Detailed Solution

D.Lethal gene – A gene usually results in the death of an individual when present in homozygous condition is lethal gene. Its ratio is 2:1. But the mendel monohybrid genotypic ratio, incomplete dominance genotypic ratio and co-dominance genotypic ratio are same as 1:2:1.

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