First slide

Inheritance of Two Genes

Question

Choose the correct statements with respect to dihybrid cross.
I. The both phenotypes seen in $P$ generation are also seen in $F_{1}$ generation.
II. The phenotypes seen in $F_{1}$ generation are also seen in $P$ and $F_{2}$ generation.
III. The genotypes of $P$ and $F_{1}$ generation are also seen in $F_{2}$ generation.
IV. The probability of appearance of $F_{1}$ genotype in $F_{2}$ generation is $\frac{1}{4}$ .

Moderate

A

I, II and III
B

I, III and IV
C

II, III and IV
D

I, II, III and IV

Solution

The phenotypes of $F_{1}$ generation are also seen in $P$ generation and $F_{2}$ generation. The genotypes of $P$ and $F_{1}$ generation are also seen in $F_{2}$ generation. Out of 16 individuals formed in $F_{2}$ , four of them show the $F_{1}$ genotype RrYy.

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