BIO311D Wkst_6 Key - Name: Date: Discussion Time: Bio 311D...

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Name: Date: Discussion Time: Bio 311D Worksheet for Discussion #11 1. What two factors have an influence on behavior and how do these contribute to behavior as a phenotype having a norm of reaction? Influenced by both a genetic and environmental cue. They aren’t necessarily acting at the exact same strength (ie one might have a stronger influence than the other). This results in a norm of reaction for phenotypes. 2. Explain the following modes of sexual reproduction Monogamy Individuals only mate with one other individual Polygamy Multiple mates, either male or female Explain the morphological difference between sexes in the following modes of sexual reproduction Polygmy Sexual selection is acting on the males, larger body size and showier characteristics Polyandry Sexual selection is acting on the females, larger body size and showier characteristics. 3. Define and give an example of how both single gene mutations and imprinting can impact behavior. Single gene example- meadow voles are promiscuous compared to the prarie voles that are monogamous-this is due to a mutation in a single gene (mutation
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BIO311D Wkst_6 Key - Name: Date: Discussion Time: Bio 311D...

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