Question

what are the odds that a grandmother will donate her mitochondrial dna to a future grandson? click or tap a choice to answer the question. 0 1 in 2 1 in 4 1 in 8 1 in 16

Explanation:

Step1: Inheritance of mitochondrial DNA

Mitochondrial DNA is maternally inherited. Sons receive mitochondrial DNA from their mother. But when a son has children (grandsons of the grandmother in question), the son does not pass on his mitochondrial DNA. His children (the grandsons) get mitochondrial DNA from their mother (the son's partner).

Answer:

0