chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 4309253 4309254 G A 21 GENIC homozygous 109074009 20 4310731 4310732 A G 12 GENIC homozygous 109074011 20 4312425 4312426 G C 31 GENIC homozygous 109074013 20 4312493 4312494 G C 40 GENIC homozygous 109296051