chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 188498860 188498861 G A 27 GENIC homozygous 120213221 2 188500040 188500041 T C 37 GENIC homozygous 110169259 2 188500611 188500612 C T 22 GENIC homozygous 110169262