No, there are cases where males have two X chromosomes[1][2], cases where females have more[3] or less[4] than two and of course trans-women who most commonly h

No, there are cases where males have two X chromosomes[1][2], cases where females have more[3] or less[4] than two and of course trans-women who most commonly have XY chromosomes. [1] https://en.wikipedia.org/wiki/Klinefelter_syndrome https://en.wikipedia.org/wiki/Klinefelter_syndrome [2] https://en.wikipedia.org/wiki/XXYY_syndrome https://en.wikipedia.org/wiki/XXYY_syndrome [3] https://en.wikipedia.org/wiki/Trisomy_X https://en.wikipedia.org/wiki/Trisomy_X [4] https://en.wikipedia.org/wiki/Turner_syndrome https://en.wikipedia.org/wiki/Turner_syndrome