Question

Which of the following statements about reproduction in humans is correct?

• A. Fertilization takes place externally.
• B. Fertilization takes place in the testes.
• C. During fertilization, the egg moves towards the sperm.
• D. Fertilization takes place in the human female.

Answer 1

The correct option is D

Fertilization takes place in the human female.

The correct option is D:

Explanation for correct option:

1. Fertilization is the union of a haploid female gamete, an ovum, and a haploid male gamete, a sperm.
2. A zygote is formed in the fallopian tubes, a component of the female reproductive system.
3. The fallopian tubes are bilateral uterine appendages that are located at the top of the uterine cavity.
4. They serve as conduits for the movement and fertilization of oocytes.
5. Thus, in humans, fertilization occurs in the female.

Explanation for incorrect options:

Option A: In humans, fertilization happens within the body called internal fertilization.

Option B: The oviduct or fallopian tube is where fertilization takes place.

Option C: The motile sperm travels toward the egg and unites to produce the zygote during fertilization.

Final answer: Fertilization occurs inside the human female is the only correct statement about reproduction in humans.