chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 4924895 4924896 A G 30 GENIC homozygous 119762952 20 4924956 4924957 G A 42 GENIC heterozygous 119858267 20 4924966 4924967 T A 45 GENIC homozygous 119762955