chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 1099454 1099455 A G 22 GENIC homozygous 109062810 20 1100714 1100715 G A 15 GENIC homozygous 109489319 20 1100875 1100876 G A 19 GENIC homozygous 109489321 20 1101645 1101646 A T 26 GENIC homozygous 109489323