Sarah has type A blood, and Jesse has type O blood. Their son has type B blood. Can Jesse be the baby daddy? He is a bit worried.
Please complete the Punnett squares to determine the possibilities.
a
No, type B blood must be homozygous
b
Yes, if both parents are heterozygous
c
Yes, if one parent is heterozygous
d
No, this is impossible
b
Yes, if both parents are heterozygous