chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 270577415 270577416 A G 9 GENIC homozygous 61644423 1 270577448 270577458 CACACACACA ---------- 1 GENIC homozygous 62558823 1 270578925 270578926 A T 18 GENIC homozygous 61644424