In  human, attached earlobes are a dominant feature over free earlobes while  hypertrichosis
Channel: Doubtnut
Date: 2020-08-23

In  human, attached earlobes are a dominant feature over free earlobes while  hypertrichosis (Y-linked) feature. A man with attached earlobed and extensive hair on pinna married a woman having free earlobes. The couple had one son with free earlobes and hairy pinna and two daughters with attached earlobes. One of the daughters with attached earlobes. One of he daughters married  a man with free earlobes and sparse hair on pinna. They had two sons. What would be the characteristics of their ponnae ?