Two elderly women who had been adopted into different families as infants discover circumstantially that they may have the same biological mother. Which of the following analyses would give the best information toward proving their maternal lineage?

Question

Quizplus · Accepted Answer

Mitochondrial DNA is passed down maternally and can therefore provide information about a common maternal ancestor. The other options, Y-STR, RFLP-PCR, and SNP haplotypes, are all useful for genetic analysis, but are not as informative for determining maternal lineage.

Two Elderly Women Who Had Been Adopted into Different Families