chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 168205534 168205535 C T 36 GENIC homozygous 108359560 1 168205542 168205543 C T 37 GENIC homozygous 109344561 1 168205684 168205685 T G 31 GENIC homozygous 108359562