Answer: Meiosis.
- A Mitosis
- B Meiosis
- C Binary fission
- D Budding
Correct answer: B. Meiosis
Explanation: Gametes (sperm and eggs) are produced by meiosis, which reduces the chromosome number by half (2n to n). Meiosis ensures that when gametes fuse, the normal diploid chromosome number is restored.
The human male reproductive system: sperm formed in the testis mature in the epididymis and travel via the vas deferens, mixing with secretions of the seminal vesicle, prostate and bulbourethral glands. Image: Wumingbai, CC BY-SA 4.0, via Wikimedia Commons.
Concept context
Male and female reproductive systems, gametogenesis, fertilization, implantation, pregnancy, and reproductive health.