chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 42967210 42967211 G C 18 GENIC homozygous 109202860 20 42967388 42967389 A G 23 GENIC homozygous 109202862 20 42969526 42969527 A G 22 GENIC heterozygous 109202872 20 42969539 42969540 A G 16 GENIC homozygous 109202874