Question

What is the main difference between sperms and eggs of humans? Write the importance of this.

Answer 1

Sperms:

1. Sperms are defined as haploid male gametes.
2. The body is divided into head, neck, and tail.
3. Sperms are motile.
4. They contain the X or Y chromosome.

Eggs:

1. Eggs are defined as haploid female gametes.
2. These are single large cells and contain no segmentation.
3. It is not motile.
4. Consists of only X chromosomes.

	Sperms	Eggs (Ovum)
Definition	1. Sperms are the haploid cells.	1. Eggs also called ovum, are also haploid cells.
Structural difference	2. Structurally, sperms are different from eggs with the presence of a tail.	2. Eggs are large single cells that do not contain a tail.
Morphology of gametes	3. Sperms are divided into 3 segments - head, neck, and tail.	3. There is no segmentation of the egg.
Motility of gametes	4. These cells are motile.	4. Eggs are non-motile cells.
Outer covering of the gametes	5. Sperms are surrounded by a plasma membrane.	5. Eggs are surrounded by egg membranes that help in the protection.
Chromosomes of the gametes	6. Either X or Y chromosomes are present in the sperm eggs	6. Eggs consist of only X chromosomes