chr start stop reference nuc variant nuc depth genic status zygosity variant ID 3 74502444 74502445 G A 25 GENIC homozygous 111615374 3 74502708 74502709 C T 33 GENIC homozygous 111615380 3 74502825 74502826 A G 37 GENIC homozygous 111615382