Comment to 'Is this true, is a single sex litter a sign of some genetic fault ?'

Comment to Is this true, is a single sex litter a sign of some genetic fault ?

· unknown

· 2010-04-27T17:32:31+0000
LMFAO-You're kidding right?! From my understanding isn't sex determend at conception-And its Very difficult/impossible to pick or change sex?