Q. 17.  In the F2-generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are

a.  phenotypes-4, genotypes-16

b.  phenotypes-9, genotypes-4

c.  phenotypes-4, genotypes-8

d.  phenotypes-4, genotypes-9


(d).  Mendel's dihybrid cross

Other combinations do not show dihybrid cross-ratio of mendelian inheritance.