Except for gametes, all normal human cells contain A. at least one Y chromosome
B. at least one X chromosome
C. an X or a Y chromosome
D. an X and a Y chromosome

The answer is B.

Explanation:

In female body, there should have only X chromosomes.

In male body, there are both X and Y chromosomes.

In conclusion, all normal human cells contain at least one X chromosome.

(Correct me if I am wrong)

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