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Test cross of dihybrid ratio 1:1:1:1 .It...

Test cross of dihybrid ratio 1:1:1:1 .It proves that:

A

`F_1` hybrid produces four different progenesis

B

`F_2` hybrid in homozygous

C

Two different progenies are produced by `P_1`

D

`F_2`hybrid is heterozygous

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