chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 27659009 27659010 A G 4 GENIC homozygous 110455559 18 27659756 27659757 G A 14 GENIC homozygous 110455560 18 27659927 27659928 A G 7 GENIC homozygous 110455561