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How many chromosomes are there in a human cell ? How do the chromosomes in males and females |
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Answer» 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 sex chromosomes, differ between males and females Females have two X chromosomes, while males have ONE X and one Y CHROMOSOME. Early in embryonic development in females, one of the two X chromosomes is randomly and permanently inactivated in CELLS other than egg cells.
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