chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 181897874 181897875 C T 68 GENIC homozygous 779243958 2 181898575 181898576 G C 61 GENIC homozygous 779243959 2 181901979 181901980 C T 48 GENIC homozygous 779243960 2 181905196 181905197 C G 40 GENIC homozygous 779243961