When is fluorescence in situ hybridization (FISH) most likely to be used?
A)To find a gene associated with a particular disease
B)To determine whether a stillborn infant has trisomy 13
C)To determine the carrier status of a child whose sister has cystic fibrosis
D)To establish a diagnosis for a possible adult-onset single-gene disorder

Question

Quizplus · Accepted Answer

FISH is often used to identify chromosomal variations in number or structure and to identify deletions or duplications. The goal is to determine the presence or absence of a chromosomal type of genetic variation.

When Is Fluorescence in Situ Hybridization (FISH) Most Likely to Be