Answer:
The dominant gene will be expressed
Explanation:
Recessive genes are only expressed when you have two recessive genes and no dominant.
The neuromodulator is endorphin.
Our pituitary gland produces them in response to the pain. Their production can be triggered by activities like exercise, massages and laughter.
Endorphins inhibit the transmission of pain signals and can also produce a feeling of euphoria like other opioids.
The answer is <span>insect and pest populations decreased.
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DDT (dichlorodiphenyltrichloroethane) was used as an insecticide which is a substance used to kill insects. That resulted in decrease in insect and pest populations. It is a persistent and non-degradable insecticide, but as well organic pollutant readily accumulated to soils and consequently affects organisms.