chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 11401015 11401016 T G 38 GENIC homozygous 774890431 4 11401321 11401322 A G 60 GENIC homozygous 774890432 4 11401615 11401616 C T 34 GENIC homozygous 774890433