chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 83991845 83991846 T G 13 GENIC homozygous 986941346 1 83991893 83991894 C T 18 GENIC homozygous 986941347 1 83992502 83992503 G A 29 GENIC homozygous 986941348 1 83992887 83992888 T C 45 GENIC homozygous 986941349