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Inheritance of Two Genes

Question

How many types of genotypes of F2 progeny of Mendelian dihybrid cross are neither seen in F1 generation nor in parental generation of the cross? 

Moderate
Solution

The genotypes of F2 generation seen neither in P generation nor in F1 generation are Rr YY, RR Yy, RR yy, rr YY, rrYy and Rr yy. The genotype RrYy is seen in F1 and RRYY and rryy are seen in Parental generation.



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Similar Questions

Find the probability of occurrence of a progeny with Bbll genotype in the following Mendelian test cross:
BbLl × bbll


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