chr start stop reference nuc variant nuc depth genic status zygosity variant ID X 15610340 15610341 C T 11 GENIC homozygous 108369908 X 15611423 15611424 C T 18 GENIC homozygous 108542501 X 15612228 15612229 G A 9 GENIC possibly homozygous 108542503