Mitochondrial DNA
Mitochondrial DNA can be taken from bone, hair, or teeth and used in DNA typing. What are the benefits
to using mitochondrial DNA over nuclear DNA?
mtDNA requires a much smaller sample than nuclear DNA.
mtDNA is useful if the nuclear DNA is degraded.
mtDNA is inherited from the mother and father's egg cells, unlike nuclear DNA.
mtDNA is present in all maternal relatives of the person being investigated.
DONE

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

answer///multiple alleles;

idk let me see fdfdgdg