INBRED STRAINS OF ANIMALS Meaning and
Definition
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Inbred strains of animals refer to a group of genetically uniform animals that have been selectively bred for many generations to produce offspring with predictable traits and characteristics. These strains are created by mating closely related individuals within a specific species. The goal is to establish a stable and reproducible genetic background for research purposes.
By selectively inbreeding animals, researchers can eliminate genetic variation that occurs naturally in a population. This genetic uniformity allows scientists to study the effects of specific genes or genetic traits more accurately, as any differences observed can be attributed to the genetic manipulation or experimental factors rather than genetic variation between individuals.
Inbred strains are often used in scientific research fields such as genetics, pharmacology, and toxicology. They provide an essential tool for studying the effects of genes on behavior, disease susceptibility, and response to drugs. Researchers can compare different inbred strains to identify specific genetic factors associated with certain traits or diseases.
However, inbred strains can also have some limitations. Due to the elimination of genetic diversity, they may be more susceptible to certain diseases or exhibit abnormal physiological characteristics. To address this, scientists often maintain outbred populations alongside inbred strains, which retain natural genetic variation and are used for crossbreeding with inbred strains to reintroduce genetic diversity when needed.
Overall, inbred strains of animals play a vital role in scientific research by providing reproducible and controlled models for studying genetic factors and their impact on various biological processes.
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