The Q and R loci are 25 mu apart If a plant of genotype QRqr

The Q and R loci are 25 m.u. apart. If a plant of genotype QR/qr is salted, what percentage of the progeny will be qr in phenotype? (i.e. display both recessive alleles Assume equal crossing over in the sexes of this plant. 64.06% 10.94% 14.06% 56.25% 15.63%

Solution

c. 14.06%

QR Qr qR qr

QR QQRR QQRr QqRR QqRr qqRr qqrr   
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Qr QQRr QQrr QqRr Qqrr QqRR   
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qR QqRR QqRr qqRR qqRr QQRr   
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qr QqRr Qqrr qqRr qqrr QqRr