question_answer 31)

  Two genes 'A' and 'B' are linked. In a dihybrid cross involving these two genes, the  heterozygote is crossed with homozygous recessive parental type (aa bb). What would be the ratio of offspring in the next generation? (a) 1 : 1 : 1 : 1                      (b) 9 : 3 : 3 : 1                      (c) 3 : 1                                  (d) 1 : 1

Answer:

                    (a) 1:1 It can be explained by the following test cross. The other options are incorrect.