chr start stop reference nuc variant nuc depth genic status zygosity variant ID 17 40639020 40639021 A 20 GENIC heterozygous 403413680 17 40639020 40639021 A T 20 GENIC heterozygous 403413681 17 40639022 40639023 A 20 GENIC heterozygous 403413682 17 40639022 40639023 A T 20 GENIC heterozygous 403413683