chr start stop reference nuc variant nuc depth genic status zygosity variant ID 15 21920351 21920357 TTTTGT ------ 12 GENIC homozygous 48254059 15 21920371 21920372 T TG 12 GENIC homozygous 48254061 15 21920498 21920504 TGGTGG ------ 4 GENIC homozygous 49082970