chr start stop reference nuc variant nuc depth genic status zygosity variant ID 3 125198350 125198351 C T 7 GENIC homozygous 877734402 3 125198351 125198352 C T 7 GENIC homozygous 877734403 3 125203362 125203363 A T 15 GENIC homozygous 877734404