Expression can be influenced by factors that are not genetic.
<h3>What are non-genetic factors?</h3>
Factors that are not part of a person's genetic make-up are referred to as non-genetic factors. These elements include aspects of the surrounding environment as well as aspects of an organism's lifestyle that contribute to its makeup.
It has been demonstrated in a number of studies that the formation of some features is influenced by both hereditary and non-genetic variables.
In the situation described above, both of the monozygotic twins have diabetes, but the lifestyle choices made by one of them causes the condition to manifest itself seventy percent of the time. It's possible that the person is drinking more alcohol and eating more sugar.
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Answer:
D. They are airborne
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Answer: Mental health is an issue for teens and adults, it affects our society as depression and other issues. Depression affects the health of the person who is affected by it, symptoms could be headaches and other things that can affect health severely. There are ways to stop this from happening, some are by attending therapies, or medications if they are recommended by a specialist.