Question

In peas, a gene for tall plants (T) is dominant over its allele for short plants (t). The gene for smooth peas (S) is dominant over its allele for wrinkled peas (s). The genes are not linked.

TtSs x TtSs

ttSs x Ttss 

TtsSS x ttss

Ttss x ttss

Answer 1

This can be shown as