In the following breeding scheme, what is the probability of obtaining genotype RrYyTtss in the F2? Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â PÂ Â Â Â Â Â Â Â Â RRYYTTSSÂ Â xÂ Â Â Â Â Â Â Â Â rryyttss Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â F1Â Â Â Â Â Â Â RrYyTtSsÂ Â Â Â Â Â Â xÂ Â Â Â Â Â Â Â Â RrYyTtSs Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â F2

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Biology

In the following breeding scheme, what is the probability ofobtaining genotype RrYyTtss in the F2?
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â PÂ Â Â Â Â Â Â Â Â RRYYTTSSÂ Â xÂ Â Â Â Â Â Â Â Â rryyttss
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â F1Â Â Â Â Â Â Â RrYyTtSsÂ Â Â Â Â Â Â xÂ Â Â Â Â Â Â Â Â RrYyTtSs
Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â F2

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Rr Ã— RrÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Yy Ã— YyÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Tt Ã—Tt Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Ss Ã— Ss

1RR:2Rr: 1rrÂ Â Â Â Â Â Â Â Â Â 1YY:2Yy:1yyÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1TT:2Tt:1tt Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1SS:2Ss:1ss

2/4 RrÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 2/4 YyÂ Â Â Â Â Â Â Â Â Â Â 2/4 TtÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 1/4ss

Probability of obtaining individual with Rr and Yy and Tt and ss

2/4 Ã— 2/4Ã— Â Â 2/4 Ã— Â¼= 8/256= 1/32

Therefore, the probability of obtaining genotype RrYyTtss in the F2 is 1/32

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