When does direct exclusion exist?
A) The child possesses a marker that is present in either the mother or the alleged father.
B) The alleged father demonstrates heterozygosity for two different alleles in the same system and the child does not demonstrate either.
C) The child demonstrates only one marker and the alleged father demonstrates a different single marker.
D) A single DNA mismatch is demonstrated between alleged parent and child.

Question

Quizplus · Accepted Answer

Direct exclusion exists when the alleged father has two different alleles (heterozygosity) in a genetic system, and the child does not have either of those alleles, indicating that the alleged father cannot be the biological parent.

When Does Direct Exclusion Exist