Q.
This pedigree is of a rare trait, in which children have extra fingers and toes. Which one of the following patterns of inheritance is consistent with this pedigree?
A) Autosomal recessive
B) Autosomal dominant
C) Y-linkage
D) Sex –linked recessive
Explanation
In the given pedigree chart, squares are representing males and circles representing females. In $F_{1}$generation, 2-male are diseased and in next generation only male is diseased. This shows the inheriatnce of a Y-linked disease.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.