If a parental cross is made between RRyy and rrYY. \( \mathrm{P} \)...

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If a parental cross is made between RRyy and rrYY.
\( \mathrm{P} \)
In F2 generation the ratio of parental to recombinant
W
phenotype will be
(1) \( 12: 3: 1 \)
(2) \( 9: 7 \)
(3) \( 7: 9 \)
(4) \( 6: 10 \)
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