Answer:
Antagonist
Explanation:
Dopamine antagonists are a type of drugs that the block the dopamine receptors. They are usually used to treat bipolar, schizophrenia, and more.
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Answer:
The correct answer is None of these choices are correct.
Explanation:
Crossing over doesn't occur only between heterozygous genes, it also doesn't happen only in some chromosomes and it never reduces de variation, otherwise, the crossing over is one of the main causes of variation among species.
I and III.
Chargaff's law and Rosalind Franklin's discoveries