So, scientifically speaking, XX is 👩 and XY is 👨. Therefore, according to “x is y” we have the following options:

— Mijallo (@MijallO_o) 10. tammikuuta 2020

- X appears in both DNAs

- YY doesn’t exists

- XY is a 👨

To sum up, “x is y” congrats on having a boy!! 🥳🤗