chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 67184025 67184029 TTTT ---- 14 GENIC possibly homozygous 56928906 4 67184046 67184047 T A 19 GENIC homozygous 58636208 4 67184560 67184561 G T 28 GENIC homozygous 56928907