The ____ model of genetic analysis of complex traits assumes that each gene involved has an equal effect on the phenotype

a. cumulative
b. additive
c. epigenetic
d. polygenic

e. phenotypic


b

Biology & Microbiology

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True or false: Supercoils in DNA are induced or relaxed by enzymes called topoisomerases

A. true B. false

Biology & Microbiology

Turbinates were found in therapsids, extinct reptiles thought to be ancestors of mammals. What could the researchers conclude from this observation?

A. Ectothermy arose before fur. B. Ectothermy arose after fur. C. Endothermy arose before fur. D. Endothermy arose after fur. E. Birds did not descend from reptiles.

Biology & Microbiology

Information gathered from observing a plant grow 3 cm over a two-week period is called

A) variables. B) inferences. C) hypotheses. D) data.

Biology & Microbiology

Only ______ cells can go through meiosis

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology