chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 5049425 5049426 G A 29 GENIC homozygous 109296732 20 5050527 5050528 C T 20 GENIC homozygous 109296734 20 5051882 5051883 G A 33 GENIC homozygous 109076225