Question

Which among the following is a post-fertilization event in human beings?

• A. Insemination
• B. Spermatogenesis
• C. Implantation
• D. Gametogenesis

Answer 1

The correct option is C

Implantation

The correct option is C.

Explanation of the correct option:

1. Post fertilization events refer to events occurring after fertilization of male and female gametes.
2. Implantation is the process of attaching an embryo to the walls of the uterus.
3. Hence implantation is a post-fertilization event.

Explanation for the incorrect options:

Option A:

1. Insemination means entering siemens inside the female reproductive tract, resulting in fertilization as sperm reaches the ovum.
2. This is pre fertilization event.

Option B:

1. Spermatogenesis is the process of formation of sperms i.e., male gamete through meiosis.
2. A spermatogenesis is a pre-fertilization event.

Option D:

1. Gametogenesis is the process of formation of gametes through meiosis.
2. Gametogenesis is a pre-fertilization event.

Final answer: Implantation is a post-fertilization event in human beings.