5. Behavioral Genetics - It is nave to try to break down...

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It is naïve to try to break down behaviors into strictly “nature vs. nurture” categories. Human height is an example of an anatomical outcome that is the result of both genetic factors and the environment.
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It is also naïve to divide behaviors into innate (like a FAP) or learned. Another cool behavior website! This one is from Dr. Kent Simmons at the University of Winnipeg
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There are many opportunities for the environment to influence behaviors (see Figure 5.1 in Text). However, what behavioral geneticists try to do is tease apart the influences of genetics and the environment because the evolution of behaviors (or any characteristic!) does not proceed unless there is at least a partial genetic basis.
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Once in a while we get lucky and can clearly see the behavioral results of a single or small set of genes. This is the case when we compare 2 strains of honeybees ( Apis mellifera ): hygienic and unhygienic. Most strains of honeybees are hygienic, meaning that if the workers detect that a bee larva has been infected by the bacillus, Bacillus larvae, they will uncap the cell and remove the diseased larva. American foulbrood is a bacterial disease that can infect larvae.
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A Mendelian cross can be done between true-breeding, homozygous hygienic bees and unhygienic bees. When this is done, the F1 generation of heterozygotes are all unhygienic. Thus, the hygienic allele(s) is/are recessive or unexpressed. And then a testcross is performed.
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(Remember what a testcross is?)
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an F1 heterozygote with a homozygous recessive individual, in this case the hygienic bee, the following behaviors result: 1. Uncap cells but do not remove larva.
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5. Behavioral Genetics - It is nave to try to break down...

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