израз

израз

In relation to genes, the phenotypic manifestation of a trait. Expression may be age-dependent (e. G. , Huntington disease) or affected by environmental factors (e. G. , dark fur on Siamese cats).

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Nozare/domēns: Biology
Category: Cell biology
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if израз

Software; Computer; Operating systems

A control statement that contains one or more Boolean expressions whose results determine whether to execute other statements within the if statement.

линеарни израз

Computer; Operating systems

An option that changes a 2-dimensional linear expression, such as 5^2, to a built-up (3-dimensional) format.

mezoderm

Biology; Cell biology

The middle layer of cells in embryonic development; gives rise to muscles, bones, and structures associated with reproduction. The middle embryonic tissue layer. Cells and ...

melanin

Biology; Cell biology

A pigment that gives the skin color and protects the underlying layers against damage by ultraviolet light; produced by melanocytes in the inner layer of the epidermis.

mejoza

Biology; Cell biology

Cell division in which the chromosomes replicate, followed by two nuclear divisions. Each of the resulting gametes (in animals, spores in plants) receives a haploid set of ...

megaspore

Biology; Cell biology

Four haploid cells produced by meiosis in the ovule of a þower. Usually, three of these cells degenerate, with the remaining cell becoming the female gametophyte phase of the ...

moždina

Biology; Cell biology

1. A term referring to the central portion of certain organs; e. G. , the medulla oblongata of the brain and the adrenal medulla, which synthesizes epinephrine and norepinephrine. ...

makroevolucija

Biology; Cell biology

The combination of events associated with the origin, diversification, extinction, and interactions of organisms which produced the species that currently inhabit the Earth. Large ...