Genotype Expression

Mr. Anderson's video explores how environmental factors influence genotype expression, affecting phenotypes. He discusses examples like the Himalayan rabbit, which changes fur color based on temperature, and Arctic animals that adapt their color seasonally. Plants, such as hydrangeas, alter flower color in response to soil pH. The video also covers bacterial gene expression, focusing on the lac operon and how it can be observed using MacConkey agar. These examples illustrate the dynamic relationship between environment and genetic expression.

Discuss the experiment involving shaving Himalayan rabbits and using an ice pack. What was the outcome?

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In what ways can bacteria express or not express their genotypes based on environmental factors?

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What is the lac operon and how does it relate to lactose breakdown in bacteria?

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