science
Grade-10
Easy

Question

There are _____ chromosomes in human beings.

  1. 23 pairs
  2. 44 pairs
  3. 22 pairs
  4. 46 pairs

hintHint:

46 pairs of chromosomes are split after mitosis.

The correct answer is: 23 pairs


    • The DNA or deoxyribonucleic acid is the genetic material for the living organisms except few viruses
    • The DNA contains the units of heredity called genes
    • The DNA is coiled into structures called as chromosomes
    • Each species has a specific number of chromosomes
    • The number of chromosomes in humans (Homo sapiens) is 23 pairs
    • The chromosomes always occur in pairs

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