мутација

мутација

An alteration of genetic material such that a new variation is produced. For instance, a trait that has only one allele (A) can mutate to a new form (a). A mutation can be a change in DNA bases or changes in chromosome number and /or structure. Mutation is the only mechanism of evolution that can produce new alleles of a gene. See mutagen.

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Частина мови: noun
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Галузь/тема: Anthropology
Category: Physical anthropology
Company: Palomar College
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хемофилија

Anthropology; Physical anthropology

An X-linked genetically inherited recessive disease in which one or more of the normal blood clotting factors is not produced. This results in prolonged bleeding from even minor ...

фетус

Anthropology; Physical anthropology

An unborn child during the later stages of pregnancy. In humans, an embryo usually becomes a fetus after the 8th week of gestation. Unlike embryos, fetuses have clearly ...

амино киселина

Anthropology; Physical anthropology

An organic molecule that is a building blocks of proteins. There are at least 20 different kinds of amino acids in living things. Proteins are composed of different combinations ...

хибрид

Anthropology; Physical anthropology

An offspring that is the result of mating between two genetically different kinds of parents--the opposite of purebred.

хормон

Anthropology; Physical anthropology

A class of substances (usually proteins) that are produced by specialized cells and that travel to other parts of the body, where they influence chemical reactions and regulate ...

анемија

Anthropology; Physical anthropology

A medical condition characterized by fatigue, weakness, poor appetite, weight loss, and paleness or a yellowish tinge to the skin and eyes resulting from a deficiency of red blood ...

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Галузь/тема: Fruits & vegetables Category: Root vegetables

ротквица

Annual or biennial plant (Raphanus sativus) of the mustard family, probably of Oriental origin, grown for its large, succulent root. Low in calories ...