homologija

homologija

Two structures are considered homologous when they are inherited from a common ancestor which possessed the structure. This may be difficult to determine when the structure has been modified through descent.

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Industry/Domain: Biology
Category: Genetics
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Related terms

homologija predaka

Archaeology; Evolution

Homology that evolved before the common ancestor of a set of species, and which is present in other species outside that set of species. Compare with derived homology.

hromozom

Biology; Genetics

Linear piece of eukaryotic DNA, often bound by specialized proteins known as histones.

višećelijski

Biology; Genetics

Any organism which is composed of many cells is termed multicellular.

nanometar

Biology; Genetics

A unit of measure; one millionth (10-9) of a meter.

filogenija

Biology; Genetics

The evolutionary relationships among organisms; the patterns of lineage branching produced by the true evolutionary history of the organisms being considered.

primitivan

Biology; Genetics

Refers to a character or feature in a group of organisms that is inherited from a common ancestor. Teeth are a primitive characteristic of birds since birds inherited them from ...