chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 197991387 197991388 G T 5 GENIC homozygous 108496626 1 197991401 197991402 A G 5 GENIC homozygous 108496628 1 197991434 197991435 A 7 GENIC homozygous 127472061 1 197994496 197994497 C A 40 GENIC possibly homozygous 108981879