chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 141475597 141475598 T C 24 GENIC homozygous 945869347 1 141476518 141476519 A C 16 GENIC homozygous 945869348 1 141478598 141478599 C T 27 GENIC homozygous 945869349