chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 7829196 7829197 G A 28 GENIC homozygous 557384643 20 7829442 7829443 T A 12 GENIC homozygous 557384644 20 7829785 7829786 G A 10 GENIC homozygous 557384645