chr start stop reference nuc variant nuc depth genic status zygosity variant ID 10 67482548 67482549 C T 20 GENIC homozygous 116795581 10 67482549 67482550 G A 19 GENIC homozygous 116795583 10 67482652 67482653 G A 23 GENIC homozygous 116795585