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Question

Humans normally have ______ number of pairs of autosomes.

The correct answer is

22

Human Autosome Pairs Explained

Autosomes are chromosomes that appear in homologous pairs – they are the same in both males and females. They are distinct from the sex chromosomes (X and Y), which determine an individual's sex.

Humans typically have a total of 46 chromosomes within their somatic cells. These chromosomes are organized into pairs:

  • There are 22 pairs of autosomes.
  • There is 1 pair of sex chromosomes (XX for females, XY for males).

The 22 pairs of autosomes carry the genetic information for most of the traits and functions of the human body.

Therefore, the normal number of pairs of autosomes in humans is 22.

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Important Questions from Human body

  1. Which gland controls the functioning of other endocrine glands?

  2. The smallest and longest bones in the human body are ________ and _________, respectively.

  3. Which is NOT a part of the urinary system?

  4. Malaria and Kala Azar are caused by:

  5. The human sex chromosomes determine the gender of the child, with XX being:

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