Two genes 'A' and 'B' are linked. In a d...

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

1 : 1 : 1 : 1

9 : 3 : 3 : 1

0.12569444444444

1 : 1

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