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Question

How many homologous pairs do humans have?


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Solution

Homologous chromosomes in females:

  1. A human cell's nucleus has 23 pairs of chromosomes for a total of 46.
  2. The first 22 pairs of chromosomes are known as autosomes. These are homologous chromosomes, which means that their chromosomal sides have the same genes (DNA sections) in a similar sequence.
  3. Allosomes are the 23rd pair of chromosomes, which have two X chromosomes in most females and one X chromosome and one Y chromosome in most males. Females have 23 pairs of homologous chromosomes but males have 22 pairs homologous chromosomes.


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