genetic abnormality

NOUN
19 LETTERS · STARTS WITH G

genetic abnormality is a valid 19-letter word worth 28 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
G2E1N1E1T1I1C3A1B3N1O1R1M3A1L1I1T1Y4
2 + 1 + 1 + 1 + 1 + 1 + 3 + 0 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 4 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does genetic abnormality mean?