Heavy metals, such as copper, are required for proper development. However, if too much copper is present it can lead to developmental defects

A scientist was interested in studying the developmental defects that could occur at various concentrations of copper. Genetically identical organisms were grown in 6 different concentrations of copper. This experiment evaluates a(n) _____________.

A. epistasis
B. dominant trait
C. recessive trait
D. norm of reaction


D

Biology & Microbiology

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