What is the difference between a chromosomal abnormality and a single-gene defect?
A) Chromosomal abnormalities often show racial variations; single-gene defects occur in all races with similar frequency.
B) Chromosomal abnormalities affect future pregnancies; single-gene defects do not.
C) Chromosomal abnormalities are usually biological accidents occurring as a one-time occurrence; single-gene defects are hereditary.
D) Chromosomal abnormalities are hereditary; single-gene defects are usually biological accidents and a one-time occurrence.

Question

Quizplus · Accepted Answer

Chromosomal abnormalities often occur due to errors in cell division and are usually not inherited, while single-gene defects are typically hereditary, passed down from parents to offspring.

What Is the Difference Between a Chromosomal Abnormality and a Single-Gene