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givi [52]
3 years ago
13

What are examples of directional selection

Biology
1 answer:
sertanlavr [38]3 years ago
8 0
Some examples could be Giraffes with long necks and the darkening of London's peppered moths after the industrial revolution.  Direct selection is the shift of the population of one species towards a certain phenotype. -reference.com
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Radda [10]

Answer:

Antipsychotic drugs have been developed to target both the positive symptoms AND the negative symptoms of schizophrenia by targeting both dopamine and serotonin receptors in the brain.

Explanation:

Schizophrenia is a disorder that affects the ability of a person to feel things, think and behave accordingly. There are several symptoms of schizophrenia like hallucinations, social isolation, responding inappropriately to surroundings and stimulus, being emotionally vulnerable, in severe cases an individual may try to harm themselves and become extremely aggressive. Dopamine and serotonin both play vital roles in schizophrenia. It was detected that dopamine levels were low in patients suffering from schizophrenia. Thus, antipsychotic drugs were developed which affected the receptors of dopamine and serotonin, sequentially reducing symptoms and effects of schizophrenia.

Learn more about Schizophrenia here:

brainly.com/question/9291820

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1 year ago
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