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In the F(2) generation a Mendelian dihyb...

In the `F_(2)` generation a Mendelian dihybrid cross, the number of phenotypes and genotypes are

A

phenotypes-2 , genotypes -16

B

phenotypes-9 , genotypes -4

C

phenotypes-4 , genotypes -8

D

phenotypes-4 , genotypes -9

Text Solution

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The correct Answer is:
D
Mendel performed crosses involving two characters called as dihybrid cross. Results of the dihybrid cross where the two parent different in two pairs of contrasting traits i.e, seed colour and seed shape are as follows :

Genotypic ratio -
`{:("YYRR : YYRr : YyRR : Yyrr : YyRr : yyRr : yyRr : yyRR : yyrr"),(" 1 2 2 2 4 1 2 1 1 "):}`.
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