chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 7258266 7258267 A G 15 GENIC homozygous 112481321 4 7259380 7259381 C T 27 GENIC homozygous 112481327 4 7260262 7260263 G A 25 GENIC homozygous 112481329