chr start stop reference nuc variant nuc depth genic status zygosity variant ID X 46978965 46978966 G T 4 GENIC homozygous 108257570 X 46978977 46978978 G A 6 GENIC homozygous 108257572 X 46978978 46978979 A G 6 GENIC homozygous 108257574 X 47016754 47016755 T A 4 GENIC homozygous 108257576