Maternity-Paternity Testing and the Romanov Family Case

These flashcards cover key concepts, facts, and case studies related to maternity-paternity testing with a focus on the Romanov family's analysis.

What is the purpose of maternity-paternity testing?

To determine biological relationships, especially to establish parentage.

What is aDNA STR?

Ancient DNA Short Tandem Repeat, a method used to analyze genetic material for lineage testing.

What biological evidence was analyzed in the Romanov family studies?

aDNA STR studies were performed on the Tsar, Tsarina, children, doctor, and servants.

What alleles must every parent have to not be ruled out in a paternity test?

Every parent must have at least one of the two alleles present in the child.

How do you determine the source of alleles in a child for paternity testing?

Identify the mother's allele in the child, then the other must come from the father.

How can a male be ruled out as the father in a paternity test?

If he does not possess the paternal allele at any tested locus, he can be ruled out.

In the pop quiz scenario, who are the subjects being tested?

Kate, the mother; James, the child; and Gary, the potential father.

What is the significance of identifying the mother's allele in a child?

It helps determine which allele in the child must have come from the father.