chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 17944446 17944447 G A 23 GENIC heterozygous 112530573 4 17945086 17945087 C T 22 GENIC homozygous 112530577 4 17945821 17945822 G A 42 GENIC heterozygous 112530583