Q.
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 individuals and circles the female individuals. Which of the following conclusions drawn is correct?
A) The parents are homozygous recessive
B) The trait is Y-linked
C) The parents are homozygous dominant
D) The parents are heterozygous
Explanation
In this pedigree chart of a family with five children, the parents are heterozygous.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.