chr start stop reference nuc variant nuc depth genic status zygosity variant ID 18 64027946 64027947 A G 20 GENIC homozygous 125358489 18 64028081 64028082 G A 17 GENIC homozygous 125358491 18 64028101 64028102 G A 16 GENIC homozygous 125358493