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Polygenic and Environmental Influences on Traits
Worksheet
Grade Level
Biology
10.68 Polygenic and Environmental Influences on Traits
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A butterfly wing pattern appears only when larvae with a certain genotype develop above 28 C. What is the best description?
A
The trait is inherited only through mitochondrial DNA.
B
Temperature-dependent expression shows a gene-environment interaction.
C
Temperature changes larvae into a different species.
D
The pattern proves the genotype has no role.
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