Genetic analysis of behavior - Methods of behavioral genetics - Inbreeding
5 important questions on Genetic analysis of behavior - Methods of behavioral genetics - Inbreeding
What are inbred lines?
laboratory colonies of induviduals that have no, or virtually no, genetic diversity: they are homozygous for nearly all their genes.
How are inbred strains created?
By mating close family members with one another for many generations.
What cause do inbred lines serve?
By using induviduals that are geneticaly practically identical, researchers are able to seperate genetic and environmental influence on the behavior of the induviduals.
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How can an inbred strain be used to show the effect environment has on certain behavoir?
By putting induviduals from the same inbred line in different environments, or by exposing them to different situations. The differences in behavior are caused by external factors since the induviduals are genetically identical.
How can inbred strains be used to investigate the effect genes have on a certain behavior?
By putting induviduals of different inbred lines in the same environment. Any observed difference in behavior is caused by genetic differences between the strains.
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