chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 243676831 243676832 T TG 26 GENIC homozygous 57178391 4 243676833 243676834 G GT 27 GENIC homozygous 57178393 4 243691594 243691595 G GT 26 GENIC homozygous 57178519