How many chromosomes are found in human ovum? a) 46 b) 64 c) 23 d) 32

In human beings, chromosomes are very important because they carry genetic information such as traits, features, and characteristics. Every normal body cell in humans contains 46 chromosomes, arranged in 23 pairs. However, not all cells have the same number of chromosomes.

The human ovum (egg cell) is a special type of cell called a gamete or reproductive cell. Unlike normal body cells, the ovum contains only 23 chromosomes, not 46. This is because the ovum is haploid, meaning it has only one set of chromosomes. 

This difference is very important for reproduction. During fertilization, the ovum (female gamete) combines with the sperm (male gamete). The sperm also carries 23 chromosomes. When both fuse, they form a zygote with a total of 46 chromosomes, restoring the normal number. 

This process ensures that the number of chromosomes remains constant from one generation to the next. If the ovum had 46 chromosomes, the number would double after fertilization, which would cause serious problems.

Another important point is that the ovum always carries an X chromosome as its sex chromosome. On the other hand, the sperm can carry either an X or a Y chromosome. This means that the sperm determines the gender of the baby.

The ovum is formed through a process called meiosis, which reduces the number of chromosomes from 46 to 23. This reduction is necessary to maintain balance in the chromosome number during reproduction.

Key Points to Remember:

• Human body cells: 46 chromosomes (diploid)
• Human ovum: 23 chromosomes (haploid)
• Ovum always carries: X chromosome
• Fertilization: 23 (ovum) + 23 (sperm) = 46 chromosomes (zygote)

Conclusion:

The correct answer to the question “Chromosomes are found in human ovum” is 23 chromosomes. The ovum is a haploid cell, and this feature plays a very important role in maintaining genetic balance in humans.