Mental health and dementiaQuestion 683 of 1700
A baby is typically born with how many chromosomes?
- 21
- 23
- 46
- 64
Show answer
Correct answer: 46
A typical baby has 46 chromosomes. In Down syndrome there is one extra copy of chromosome 21.
Source: Nursing Assistant (Reuter), 10.3: Caring for Clients With Developmental Disorders
Questions last reviewed: 18 October 2026