Question
Question: Given below is a pedigree chart of a family with five children. It shows the inheritance of attached...
Given below is a pedigree chart of a family with five children. It shows the inheritance of attached, ear-lobes as opposed to the free ones. The squares represent the male and circles the female individuals.
Which one of the following conclusions drawn is correct?
A
The trait is Y-linked
B
The parents are heterozygous
C
The parents are homozygous recessive
D
The parents are homozygous dominant
Answer
The parents are heterozygous