chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 222504573 222504574 G - 4 GENIC homozygous 752417755 1 222505968 222505969 A G 26 GENIC homozygous 642215356 1 222506314 222506315 G A 24 GENIC possibly homozygous 642215357 1 222506963 222506964 C A 34 GENIC homozygous 642215358