In pea plants, Mendel found that the allele for smooth seeds (S) is dominant , while the allele for wrinkled seeds (s) is recessive. Which Punnett square shows crosses between plants heterozygous for smooth seeds and homozygous recessive for wrinkled seeds?
A
s s
s ss ss
s ss ss
b.
S s
S SS Ss
s Ss ss
CS s
s Ss ss
s Ss ss
d.
S S
S SS SS
s Ss Ss
A
s ss ss
s ss ss
b.
S s
S SS Ss
s Ss ss
CS s
s Ss ss
d.
S S
S SS SS
s Ss Ss