chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 5456058 5456059 C T 40 GENIC homozygous 109234058 20 5456073 5456074 G T 43 GENIC homozygous 109234059 20 5457392 5457393 G A 24 GENIC possibly homozygous 109234060 20 5456605 5456606 T C 24 GENIC homozygous 109078048