chr start stop reference nuc variant nuc depth genic status zygosity variant ID X 15988270 15988271 C 21 GENIC homozygous 129723090 X 15988422 15988422 CCCCCCACCCTTCC 27 GENIC homozygous 129723091 X 15990778 15990778 T 21 GENIC homozygous 129723092 X 15990744 15990745 G T 24 GENIC homozygous 108233602 X 15990745 15990746 T G 24 GENIC homozygous 108233604