Most males have one Y and one X chromosome. Having extra X chromosomes can cause a male to have some physical traits unusual for males. Many men with an extra X chromosome are not aware that they have it, and they lead normal lives. Klinefelter syndrome occurs in about 1 out of 1,000 males.
Meaning: The Greek name Nastassja means-a form of Nastasia.Rating:eaning: The Greek name Nastassja means-a form of Nastasia. Rating:
Kostas /kos-tas/ [2 sylls.] as a name for boys is of Greek and Latin derivation, and the name Kostas means constant, steadfast. Kostas is a variant transcription of Costas (Greek, Latin): version of Constantine. Kostas is also a derivative of Konstantin (Latin).