chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 100199547 100199548 A G 21 GENIC homozygous 108898520 1 100199836 100199837 G A 27 GENIC homozygous 108898521 1 100202566 100202567 A G 18 GENIC homozygous 108898526