A human female has a special pair of chromosomes that are represented by the letters A) XX. B) XY. C) YY. D) XZ.

Question

Biology

Evie Austin

28 September, 08:14

A human female has a special pair of chromosomes that are represented by the letters A) XX. B) XY. C) YY. D) XZ.

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Answers (1)

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Craig Hernandez · Answer 1

A) XX

Explanation:

Each human cell is diploid (2n) and possesses 23 pairs of chromosomes. Out of 23 pairs, 22 pairs are autosomes and 1 pair is sex chromosomes. Sex chromosomes are designated by alphabet X and Y. In human females, each cell has two XX chromosomes, whereas males have one X and one Y sex chromosome.