chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 72503036 72503037 C T 34 GENIC homozygous 112709732 4 72503039 72503040 C T 30 GENIC homozygous 112709734 4 72503363 72503364 T G 28 GENIC homozygous 112709738