What are some of the ways in which identical genotypes can give rise to different phenotypes?

What are quantitative traits and why is their expression more complicated than traits that are controlled by a single

locus? How do quantitative traits create the illusion of blending inheritance?

What is meant by “the environment” when we are talking about gene expression? What are the different environmental cues

that can alter gene expression?

How can reaction norms be used to understand phenotypic plasticity?

What are the different types of variability that contribute to total phenotypic variability? Describe them as if you

were explaining it to your father (presuming he isn’t a biologist). What is the difference between broad sense and

narrow sense heritability? How can we measure heritability?

How do narrow sense heritability and strength of selection work together to determine the response to selection?


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