chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 231974136 231974137 C - 18 GENIC heterozygous 62237476 1 231976699 231976701 GG -- 4 GENIC heterozygous 62203446 1 231980653 231980654 A G 14 GENIC homozygous 61118551 1 231980664 231980665 T G 5 GENIC homozygous 62203448