HBD

== English == === Etymology 1 === Abbreviation of homozygous by descent or homozygosity by descent ==== Noun ==== HBD (uncountable) Having two of the same allele at a locus, or base at an SNP, where both copies are from a single ancestor strand. ==== Adjective ==== HBD (not comparable) Having two of the same allele at a locus, or base at an SNP, where both copies are from a single ancestor strand. === Etymology 2 === ==== Phrase ==== HBD (Internet slang, email, text messaging) Abbreviation of happy birthday. Alternative form: HB === Etymology 3 === ==== Noun ==== HBD (uncountable) Initialism of human biodiversity. === Anagrams === BHD, Bhd., HDB, dbh