Mitochondrial DNA Profiling Is Used to Trace the Maternal Side

question 6

Multiple Choice

Mitochondrial DNA profiling is used to trace the maternal side of family trees.Why is this done using mtDNA?

• A)The mtDNA is supplied to the zygote only from the egg.
• B)The mtDNA under low selective pressure mutates readily.
• C)The mtDNA undergoes recombination allowing allelic mixture.
• D)The mtDNA only comes from the father so all differences are from the mother.

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