chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 15536362 15536363 G A 26 GENIC homozygous 46367887 18 15541896 15541897 G A 26 GENIC homozygous 46367888 18 15541943 15541944 A G 22 GENIC homozygous 46367889