Pereiopod At Biology Glossary

What is it? The walking legs of a crayfish.

Bio Definition Added By: Ellie

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Other Similar Biology Terms:

Bio Term trans-acting is Referring to mutations of, for example a repressor gene, that act through a diffusable protein product and can therefore act at a distance not simply on the DNA molecule in which they occur.

Bio Term In vitro mutagenesis is A method for mutating DNA outside of a host cell. Examples include, hydroxylamine mutagenesis of DNA packaged into phage particles or site-directed mutagenesis of plasmid DNA.

Bio Term genetic polymorphism is The occurrence together in the same population of more than one allele or genetic marker at the same locus with the least frequent allele or marker occurring more frequently than can be accounted for by mutation alone.

Bio Term Affinity is The strength of an interaction between two molecules, such as the binding of an antigen to an antibody.

Bio Term Complementation is The ability of a gene to produce a functional gene product which compensates for the mutant phenotype caused by a mutation in another gene. Typically, the complementing gene produces a gene product (e.g. a repressor protein or an enzyme for synthesis of a metabolite) that is diffusible and thus functions in trans.