A - identical twins are less likely than fraternal twins to have similarities in regard to alcoholism. The reason why this tells us about the genetics underlying addiction is because two identical twins share the completely same genetic information while fraternal twins do not. The fact that the first two share the same and higher probability for addiction tells us that it's probably a genetic influence.
Answer:
C Or B
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Carbon dioxide will kill the plants
Answer:
One has a brain with a forebrain, a midbrain, and a hindbrain, and the other has ganglia in which integration can occur.
Explanation:
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