The gametes of human males and females have the same number of chromosomes. Which best describes what happens to the chromosomes when typical male and female gametes combine to pro... The gametes of human males and females have the same number of chromosomes. Which best describes what happens to the chromosomes when typical male and female gametes combine to produce offspring?
Understand the Problem
The question asks about what happens to chromosomes during the combination of male and female gametes in humans to produce offspring. It specifically seeks to identify what occurs in terms of chromosome shape, number, and size during this process.
Answer
The number of chromosomes doubles.
The number of chromosomes doubles.
Answer for screen readers
The number of chromosomes doubles.
More Information
When sperm and egg fuse during fertilization, each contributes 23 chromosomes, resulting in a zygote with 46 chromosomes (23 pairs).
Tips
A common mistake is thinking that chromosomes reduce in number during fertilization, but they actually combine and double.
Sources
- Heredity and Chromosomes | Lifespan Development - courses.lumenlearning.com
- Mitosis, Meiosis, and Fertilization - Learn Genetics Utah - learn.genetics.utah.edu
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