In higher organisms,it is usually difficult to distinguish with genetic analysis small deletions in one gene from
A) heterozygotes.
B) small duplications.
C) monosomies.
D) point mutations.
E) trisomies.

Question

Quizplus · Accepted Answer

Small deletions and point mutations can both result in a change in the DNA sequence of a gene, and they can be difficult to distinguish from each other with genetic analysis. However, point mutations involve a change in a single nucleotide, while small deletions involve the loss of several nucleotides in a row. Therefore, it is possible to differentiate small deletions from other types of genetic changes, including heterozygotes, small duplications, monosomies, and trisomies, by examining the sequence of the affected gene.

In Higher Organisms,it Is Usually Difficult to Distinguish with Genetic