The proportion of shared genes between a grandparent and grandchild is ___ percent.
A) 10
B) 25
C) 50
D) 100
E) 0

Question

Quizplus · Accepted Answer

A grandparent shares 25% of their genetic material with their grandchild. This is because each parent contributes 50% of their genes to their child, and the grandchild inherits 50% of their parent's genes. Therefore, the grandchild receives 25% of their genetic material from each grandparent.

The Proportion of Shared Genes Between a Grandparent and Grandchild