The stem supports the plant and because of the stem the plant is able to grow taller if needed
Answer:
50%
Explanation:
If the male has a cleft chin, that means that his chromosomes is Aa. His wife must be aa.
Female Female
Male Aa Aa
Male aa aa
With Aa, the child will have a cleft chin. With aa, the child will not. So the probability is 50%.
