Chromosomes are composed of genes,which are composed of DNA.Abnormalities are either numerical or structural in nature.Which abnormalities are structural? Select all that apply.
A) Part of a chromosome is missing.
B) The material within a chromosome is rearranged.
C) One or more sets of chromosomes are added.
D) Entire single chromosome is added.
E) Two chromosomes adhere to each other.

Question

Quizplus · Accepted Answer

Structural abnormalities involve changes to the structure of chromosomes, such as missing parts (A), rearrangements within a chromosome (B), or chromosomes adhering to each other (E). Numerical abnormalities involve changes in the number of chromosomes, such as adding entire chromosomes or sets (C, D).

Chromosomes Are Composed of Genes,which Are Composed of DNA