XY

Letters that make XY

y, x are letters that make 'XY'

are words within 'XY'

XXY, XYY, oxy are words created by adding a letter to 'XY'

1 possible definitions for 'XY'

Under this definition, xy is a noun and has the following properties:

'XY' can be a type of sex chromosome.

'XY' can be a category of genetics, genetic science.