chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 15536097 15536098 G A 12 GENIC homozygous 46647362 18 15541896 15541897 G A 25 GENIC homozygous 46367888 18 15541943 15541944 A G 25 GENIC homozygous 46367889