chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 37665485 37665486 T G 63 GENIC homozygous 109694105 19 37667989 37667990 A G 66 GENIC homozygous 109694107 19 37668032 37668033 A G 75 GENIC homozygous 109694109