chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 181870484 181870485 G A 2 GENIC homozygous 511261526 4 181871461 181871462 C T 7 GENIC homozygous 514688491 4 181871589 181871590 A G 11 GENIC homozygous 511261527