chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 44882121 44882122 T A 12 GENIC possibly homozygous 403470893 20 44882121 44882122 T 12 GENIC heterozygous 403470894 20 44937320 44937321 C G 16 GENIC homozygous 140565207