Are males XY or YY? Short fast 1 minute answer

Human sexual identity rely on sexual chromosome in the cell that divide to X and Y. pairing arrangement of this chromosomes as XX or XY make male and female identity as a sexual feature.

Typically, biologically male individuals have one X and one Y chromosome (XY) while those who are biologically female have two X chromosomes. However, there are exceptions to this rule. The sex chromosomes determine the sex of offspring.

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