amplificación genética

amplificación genética

A selective increase in the number of copies of a gene coding for a specific protein without a proportional increase in other genes. It occurs naturally via the excision of a copy of the repeating sequence from the chromosome and its extrachromosomal replication in a plasmid, or via the production of an RNA transcript of the entire repeating sequence of ribosomal RNA followed by the reverse transcription of the molecule to produce an additional copy of the original DNA sequence.

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Industrija/področje: Agriculture
Category: General agriculture
Company: USDA
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amplificación

Biology; Genome

An increase in the number of copies of a specific DNA fragment; can be in vivo or in vitro. See also: cloning, polymerase chain reaction.

genética

Archaeology; Human evolution

The science of heredity that involves the structure and function of genes and the way genes are passed from one generation to the next.

genética

Archaeology; Evolution

The study of genes and their relationship to characteristics of organisms.

genética

Biology; Cell biology

The study of the structure and function of genes and the transmission of genes from parents to offspring.

genética

Anthropology; Cultural anthropology

The study of the mechanisms of heredity and biological variation.

antihelmínticos

Agriculture; General agriculture

Agents destructive to parasitic worms. They are used therapeutically in the treatment of infestation with parasitic worms of the helminth class, in humans and animal.

antígenos de superficie

Agriculture; General agriculture

Antigens on surfaces of cells, including infectious or foreign cells or viruses. They are usually protein-containing groups on cell membranes or walls.

antígenos de neoplasias

Agriculture; General agriculture

Proteins, glycoprotein, or lipoprotein moieties on surfaces of tumor cells that are usually identified by monoclonal antibodies. Many of these are of either embryonic or viral ...

antígenos de histocompatibilidad

Agriculture; General agriculture

A group of antigens that includes both the major and minor histocompatibility antigens. The former are genetically determined by the major histocompatibility complex. They ...

antígeno nuclear de célula proliferativa

Agriculture; General agriculture

Nuclear antigen with a role in DNA synthesis, DNA repair, and cell cycle progression. PCNA is required for the coordinated synthesis of both leading and lagging strands at the ...

anticonceptivos

Agriculture; General agriculture

Agents, devices, methods, or procedures which diminish the likelihood of or prevent conception.

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Industrija/področje: Arts & crafts Category: Body art

cara de dona

Se logra una nueva expresión de arte corporal mediante el goteo de una solución salina sobre la frente hasta que se forma una protuberancia grande. ...