chr start stop reference nuc variant nuc depth genic status zygosity variant ID 15 60738745 60738746 T C 20 GENIC homozygous 878390970 15 60745524 60745525 C T 19 GENIC homozygous 878390971 15 60758490 60758491 G C 29 GENIC homozygous 878390972