chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 200678516 200678517 T A 13 GENIC homozygous 120475451 1 200678517 200678518 A G 12 GENIC homozygous 120475452 1 200690800 200690801 G T 5 GENIC homozygous 108504635