chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 174199502 174199503 A T 15 GENIC homozygous 57979129 4 174200201 174200202 G A 23 GENIC homozygous 57979133 4 174200564 174200565 T A 14 GENIC homozygous 57979136 4 174201694 174201695 T C 16 GENIC homozygous 57979139