chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 71490576 71490577 G T 4 GENIC homozygous 120894372 1 71490577 71490578 G A 4 GENIC homozygous 120894373 1 71490578 71490579 A C 4 GENIC homozygous 120894374 1 71490581 71490582 T G 3 GENIC homozygous 120894375