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Q.

When in a typical dihybrid cross in F2 generation one monohybrid genotype is present in 12 individuals, the total number of F2 offspring is

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a

96

b

48

c

192

d

24

answer is D.

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Detailed Solution

One monohybrid genotypes of F2 of dihybrid cross are

YyRR – 2

YYRr – 2

 yyRr – 2

Yyrr – 2

So totally 8/16

Given such individuals are 12 in a cross

For total progeny

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