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tankabanditka [31]
3 years ago
10

How many sex chromosomes do humans possess? a. 2 b. 22 c. 23 d. 46

Biology
1 answer:
kow [346]3 years ago
6 0

a. 2 > The 23rd pair, the sex chromosomes, differ between males and females (females have two copies of the X chromosome, while males have one X and one Y chromosome). In humans, the sex chromosomes comprise one pair of the total of 23 pairs of chromosomes. The other 22 pairs of chromosomes are called autosomes. <em>Chromosomes are thread-like molecules that carry hereditary information (they are made of protein and one molecule of DNA, which contains an organism's genetic instructions).</em>

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