chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 173189902 173189903 T A 26 GENIC homozygous 968708430 1 173191290 173191291 T G 30 GENIC homozygous 968708431 1 173191316 173191317 C A 36 GENIC homozygous 968708432