In Certain Latin American Countries Where,during Periods of Political Volatility,children

Multiple Choice

In certain Latin American countries where,during periods of political volatility,children were removed from their families and the parents murdered (then referred to as the "disappeared") ,the best possibility of restoring the children to members of their larger family have used mtDNA matching.Why and how?

A) Remains of the children's mothers can be used to match their mtDNA with that of their children.
B) Children's mitochondria will have genomes that are 1/4 identical to each of their grandparents.
C) Children's mitochondria will have genomes that are 1/2 identical to their maternal grandparents.
D) Children's mitochondria will have genomes that are identical to 1/2 of those of their maternal grandmothers.
E) Children's mtDNA will be identical to those of their first cousins.