chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 16171439 16171440 G A 11 GENIC heterozygous 518739556 18 16171450 16171451 C - 4 GENIC homozygous 689931870 18 16171508 16171509 G A 29 GENIC heterozygous 518739557