chr start stop reference nuc variant nuc depth genic status zygosity variant ID 8 13259773 13259774 A G 28 GENIC homozygous 116923757 8 13260924 13260925 C T 21 GENIC homozygous 116923759 8 13261884 13261885 G A 20 GENIC homozygous 116923763