chr start stop reference nuc variant nuc depth genic status zygosity variant ID X 120521756 120521757 T G 44 GENIC homozygous 108320293 X 120521823 120521824 C A 66 GENIC possibly homozygous 108320295 X 120521841 120521842 T A 62 GENIC possibly homozygous 108320297