Most likely a dumb ?

[CraigC]

I was told that 1.0.0 = male 0.1.0 = female 0.0.1 = unknown I believe that's what they said....I asked the questions not too long ago

That is correct. It is the designation of sex.

3.2.1 = 3 males, 2 females and 1 of unknown sex.

Craig