Which term describes the individual in a pedigree whose phenotype was first brought to the attention of a medical researcher?

A. Proband

B. Allele

C. Progeny

D. Sibship

Proband

Explanation:

In medical genetics, a proband is used to refer to the first person or individual in a pedigree whose phenotype is first brought out to attention of a medical researcher or the first affected family member to seek medical attention for a genetic disorder.

A proband can be male or female.

Proposito will refer to the male proband and it is denoted by a shaded square whereas proposita is a female proband denoted by a shaded circle.