chr start stop reference nuc variant nuc depth genic status zygosity variant ID 6 7421892 7421893 G A 51 GENIC homozygous 115041436 6 7422608 7422609 C A 38 GENIC homozygous 115041437 6 7423244 7423245 C G 34 GENIC homozygous 115041438