Genetic diversity

Genetic diversity

Suppose a child inherit chromosomes from parents and construct a new pair of chromosome pairs.
A child can receives an 'A' or 'a' from his mother and a 'B' or 'b' from his father. So, the child can inherit chromosomes by the following four cases.

  1. A & B
  2. A & b
  3. a & B
  4. a & b

Since all the chromosomes of a person are 23 pairs, the number of cases that can appear is as follows.

223 = 8,388,608

Theoretically, in order to have genetically identical children, you should have more than 8 million childrens.
But, 'identical twins' are genetically identical.

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