Sperm cells contain 23 chromosomes.
According to Learn Genetics Utah, egg and sperm cells each have 23 chromosomes, which is half the number found in regular cells. During fertilization, the sperm and egg fuse to form a zygote with 46 chromosomes (23 pairs).
Here's a breakdown:
- Sperm: 23 chromosomes
- Egg: 23 chromosomes
- Zygote: 46 chromosomes (23 pairs)
Cell Type | Number of Chromosomes |
---|---|
Sperm | 23 |
Egg | 23 |
Zygote | 46 |