Question

In a dihybrid cross, round (RR), yellow (YY) seeds were crossed with wrinkled (rr), green (yy) seeds. What were the phenotypes of the F1 generation?



all round and yellow

all wrinkled and green

half round and yellow; half wrinkled and green

3:1 (round and yellow to wrinkled and green)

Answer 1

Hello @zotti !

Answer 2

Let's first draw a punnet square which represents the cross

Answer 3

ok then after that