What proportion of individuals will have the genotype PpQQRrSstt if their parents had genotypes PPQqRRssTt and PpQQrrSSTt?

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Mendelian cross occurs between different pair of contrasting characters - height, shape, colour etc. When the given genotype of individuals is crossed, we get the following genotypes and their count:

Parents - PPQqRRssTt and PpQQrrSSTt.

Each parent produces four types of gametes -

PPQqRRssTt $\to$ PQRsT, PQRst, PqRsT, and PqRst

PpQQrrSSTt $\to$ PQrST, PQrSt, pQrST, pQrSt

F1 generation will produce 16 progenies where the probability for the expression of the genotype -PpQQRrSstt is 1/16

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