chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 61305288 61305289 C T 10 GENIC homozygous 54737543 7 61305289 61305290 C A 10 GENIC homozygous 54737545 7 61305397 61305398 T A 21 GENIC heterozygous 54737547