When there are changes in genetic material that involve rearrangement of genes, this is termed __________ and when changes involve alteration of the DNA code within a single gene, this is termed __________.
A) mutation; PKU
B) PKU; Down syndrome
C) chromosomal aberration; Huntington's disease
D) mutation; chromosomal aberration
E) chromosomal aberration; mutation

Question

Quizplus · Accepted Answer

Chromosomal aberration refers to changes that involve the rearrangement of genes or entire chromosomes, affecting many genes at once. Mutation refers to changes within the DNA sequence of a single gene.

When There Are Changes in Genetic Material That Involve Rearrangement