chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 152506685 152506686 A G 18 GENIC heterozygous 57842913 4 152506692 152506693 T A 18 GENIC heterozygous 56986216 4 152506724 152506726 TT -- 21 GENIC heterozygous 57842914 4 152507155 152507156 C G 58 GENIC heterozygous 57842916