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| 1. |
How many chromosomes are there in human body? |
| Answer» In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the *** chromosomes, differ between males and females. Females have two copies of the X chromosome, while males have one X and one Y chromosome. | |