chr start stop reference nuc variant nuc depth genic status zygosity variant ID 6 21163619 21163620 C T 19 GENIC homozygous 115093755 6 21169905 21169906 G C 9 GENIC homozygous 115050515 6 21169914 21169915 G C 7 GENIC homozygous 115050516