chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 73740217 73740218 T C 20 GENIC possibly homozygous 53970932 7 73740333 73740334 A G 16 GENIC homozygous 53970934 7 73747525 73747526 T C 19 GENIC homozygous 53970936