Question

Which one of the following symbols and its representation used in human pepigree analysis is correct

• A. $O$= unaffected male
• B. $\square$ = unaffected female
• C. $⧫$ = male affected
• D. $\square =O$ = matng between relatives.

Answer 1

The correct option is D $\square =O$ = matng between relatives.

Consanguineous marriage is matrimony between individuals who are closely related. In a clinical sense, marriage between two family members who are second cousins or closer qualify as having a consanguineous marriage.

So the correct option is '□=O = mating between relatives'.