chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 187378297 187378298 G A 19 GENIC homozygous 57564467 4 187381068 187381069 C A 30 GENIC possibly homozygous 57564469 4 187382565 187382566 C T 6 GENIC homozygous 57564471