chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 3747731 3747732 C T 37 GENIC homozygous 109069672 20 3748078 3748079 G C 50 GENIC homozygous 109069674 20 3748111 3748112 G A 62 GENIC homozygous 109069676 20 3749216 3749217 G A 51 GENIC possibly homozygous 109069678 20 3750322 3750323 A C 40 GENIC homozygous 109069682 20 3750450 3750451 C T 38 GENIC possibly homozygous 109069684