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  4. A dihybrid cross between homozygous round yellow (RRYY) and wrinkled green (rryy) seed varieties of pea was traced through two generations. The possibility of genotype RRyy in F 2 generation should be as

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Q. A dihybrid cross between homozygous round yellow $(RRYY) $ and wrinkled green $(rryy)$ seed varieties of pea was traced through two generations. The possibility of genotype $RRyy$ in $F _{2}$ generation should be as

Principles of Inheritance and Variation

Solution:

The dihybrid cross in pea plant between round yellow (smooth) seeded and wrinkled green seeded plant proves the Mendelian principle of independent assortment. It will produce four phenotypes as follows :
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