chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 184950429 184950430 C - 16 GENIC homozygous 57026773 4 184950429 184950430 C CT 16 GENIC homozygous 57026774 4 184951418 184951419 G A 37 GENIC heterozygous 57987558