chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 151964050 151964051 T G 25 GENIC homozygous 56984500 4 151964114 151964115 A - 28 GENIC homozygous 56984501 4 151964225 151964226 A C 29 GENIC homozygous 56984502