Question

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? check all that apply. 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 fathers egg cells, unlike nuclear dna. mtdna is present in all maternal relatives of the person being investigated.

Explanation:

Mitochondrial DNA (mtDNA) has several advantages over nuclear DNA. It is more abundant in cells, so a smaller sample suffices. It can still be useful when nuclear DNA is degraded as it is more resilient. Also, since it is maternally - inherited, it is present in all maternal relatives. However, it is only inherited from the mother, not from the mother and father's egg cells.

Answer:

• mtDNA requires a much smaller sample than nuclear DNA.
• mtDNA is useful if the nuclear DNA is degraded.
• mtDNA is present in all maternal relatives of the person being investigated.