The cleft chin trait follows a dominant-recessive inheritance pattern with cleft chin being the dormant trait. john is heterozyg
ous for a cleft chin as is his wife betty. john and betty have three kids all of which have a cleft chins. according to punnett square prediction what is the likely hood that their next child will have a cleft chin? 100% chance because the mother and father both have cleft chins 25% chance the same probability for all subsequent children 75% chance the same probability for all subsequent children 0% because the three pervious children have cleft chins already
Cc and Cc. Notice that one is capital and the other is not. This is what shows that they are heterozygous. We put this now in a Punnet Square: C c C CC Cc c Cc cc
This means that there is a 75% chance that their children will have a cleft-chin and 25% will not.
The probability is the same with each off-spring. So the answer would be 75% chance the same probability for all subsequent children.
