chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 37835339 37835340 G A 9 GENIC homozygous 46422593 18 37837262 37837263 A AG 6 GENIC homozygous 46422595 18 37837311 37837312 A AG 2 GENIC homozygous 46422596