A1T1A1V4I1S1M3
12 points
ATAVISM is validvalid
the reappearance of a genetic characteristic after several generations of absence [n ATAVISMS]
the reappearance of ancestral characteristics [n -S]
the reappearance of a genetic characteristic after several generations of absence [n ATAVISMS]
the reappearance of ancestral characteristics [n -S]