It is clearly established that obesity has greatly increased in children over the last several decades in the United States. While several genes have been identified that increase the potential for obesity, environmental influences are also involved
Which of the following is most likely? A) There is little or no gene–environment interaction.
B) Phenotypic variation is discontinuous.
C) There is a small overlap of phenotypic ranges of different genotypes.
D) There is a wide range of phenotypes with each genotype.
E) There is a demonstrable threshold of environmental effects.
D
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The general term used to describe the anabolic and catabolic reactions in a cell is
A. enzymatic. B. thematic. C. aerobic respiration. D. metabolism.
In which soil would the cactus receive the most appropriate amount of water for its needs?
a. soil A b. soil B c. soil C d. It would receive the appropriate amount of water from all the soil types.
__________ refers to an organism's response to changes in the length of day relative to night.
Fill in the blank(s) with the appropriate word(s).
Speciation is more likely to happen when there is significant gene flow between populations.
a. true b. false