Aunts and uncles share _____ percent of their genes with their nieces and nephews,on average.

Question

Quizplus · Accepted Answer

Aunts and uncles share an average of 25% of their genes with their nieces and nephews. This is because they share half of their genes with the parent of their niece or nephew (who is a sibling of the aunt or uncle). Since siblings share 50% of their genes, half of that (or 25%) is shared between the aunt/uncle and their niece/nephew.

Aunts and Uncles Share _____ Percent of Their Genes with Their