Q.16. Two genes 'A' and 'B' are linked. In a dihybrid cross involving these two genes, the heterozygote is crossed with homologous 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
(a). 1 : 1 It can be explained by the following test cross.
The other options are incorrect.
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