mutacija

mutacija

A change in genetic material that results from an error in replication of DNA. Mutations can be beneficial, harmful, or neutral.

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Loại từ: noun
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Ngành nghề/Lĩnh vực: Archaeology
Category: Evolution
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tipologija

Archaeology; Evolution

(1) The definition of classificatory groups by phenetic similarity to a "type" specimen. A species, for example, might be defined as all individuals less than x phenetic units ...

mimikrija, imitiranje, podražavanje

Archaeology; Evolution

A case in which one species looks more or less similar to another species. See Batesian mimicry and Müllerian mimicry.

spolni hromozom

Archaeology; Evolution

The chromosome or chromosomes that influence sex determination. In mammals, including humans, the X and Y chromosomes are the sex chromosomes (females are XX, males XY). Compare ...

metabolizam

Archaeology; Evolution

The chemical processes that occur in a living organism in order to maintain life. There are two kinds of metabolism: constructive metabolism, or anabolism, the synthesis of the ...

paleobiologija

Archaeology; Evolution

The biological study of fossils.

ćelija

Archaeology; Evolution

The basic structural and functional unit of most living organisms. Cell size varies, but most cells are microscopic. Cells may exist as independent units of life, as in bacteria ...

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Ngành nghề/Lĩnh vực: Biology Category: Marine biology

Danionella dracula

a new species of fish discovered in the Mekong River region in 2009. The Dracula fish is so named because it has two fangs at the front of its top ...