chr start stop reference nuc variant nuc depth genic status zygosity variant ID X 157750751 157750752 C A 12 GENIC possibly homozygous 778342461 X 157750766 157750767 T A 11 GENIC homozygous 778342462 X 157750768 157750769 T A 11 GENIC possibly homozygous 778342463