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In the human male, the sex chromosomes normal consist of a(n) ______ pair; in the human female they consist of a(n) _____ pair.

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Final answer:

In human males, the sex chromosomes are a XY pair, while in human females, they are a XX pair. Humans have 23 pairs of chromosomes, with the 23rd pair being sex chromosomes that determine biological sex.

Step-by-step explanation:

In the human male, the sex chromosomes normally consist of a XY pair; in the human female, they consist of a XX pair. Humans have 23 pairs of chromosomes, with pairs 1-22 being autosomes. The 23rd pair is the sex chromosomes, which determine an individual's biological sex.

Females have a homologous pair of X chromosomes making their 23rd pair XX, whereas males have one X and one Y chromosome making their 23rd pair XY. It is important to note that the Y chromosome is much shorter than the X chromosome and contains fewer genes.

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