chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 7829196 7829197 G A 27 GENIC homozygous 516997060 20 7829442 7829443 T A 18 GENIC homozygous 516997061 20 7829785 7829786 G A 23 GENIC homozygous 516997062