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)

47

explanation:

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volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).