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slamgirl [31]
3 years ago
11

How do genetics (genetic predisposition) and the environment work together to cause substance abuse in individuals? What is the

likely role of epigenetics in this process?
Biology
1 answer:
vampirchik [111]3 years ago
6 0

Answer: The drug abuse is influenced by the environment and exerts influence on the gene expressions.

Explanation:

The genetic make up of the person is decides, which genes will be expressed and develop a trait in an individual. But this genetic expression can be influenced by the environmental factors like food, exposure to sunlight, and others. This study which relate environment with the genetic make up is called epigenetics. No person is drug addict by birth but the consumption of drug can influence the genetic make up and traits in a abuser. So here, the environment is influencing the genetic basis of a abuser.

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The great seal of the united states features an eagle clutching an olive branch in the talons of its right foot, symbolizing the
vovangra [49]

The power of peace is being seized grasping  in the talons of its other foot.

<h3>A shield, a scroll, an olive branch, or a phrase is what the eagle on the Great Seal is holding in his right talon?</h3>

In the artwork, an eagle holding the motto "E Pluribus Unum" on a scroll with an olive branch representing peace and thirteen arrows representing conflict are displayed in each of its claws. The year 1776 is written in Roman numerals at the foot of a thirteen-step pyramid on the reverse of the seal.

<h3>What does the eagle represent in the US coat of arms?</h3>

The Founding Fathers made the right choice when they designated the bald eagle as the country's emblem. The fierce woman and the great bird's proud independence effectively represents America's strength and freedom.

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7 0
1 year ago
An alteration to chromosome structure which only involves one chromosome.
jenyasd209 [6]
An alteration to chromosome structure which only involves one chromosome is called MONOSOMY.
Alterations in chromosomes structures usually leads to mutation. Monosomy refers to the condition of heaving a diploid chromosome complement in which one chromosome lacks its homologous partner.
4 0
3 years ago
Which mechanism of genetic variation results from the exchange of gene segments between non-sister chromatids?
ryzh [129]

Answer:

crossing over

Explanation:

This occurs during prophase I and metaphase two of the cell cycle. Two homologous sister chromatids pair up and exchange DNA in order to increase genetic variation.

6 0
2 years ago
People with full blown sickle-cell disease will experience harmful effects such as, red blood cells break down, clump, and clog
N76 [4]

Answer :a. the polygenic nature of sickle-cell disease

Explanation:

<u>SS is a genetic disorder in which more than two genes control a single character</u>. Contrary to  single gene to a trait. It  exhibit an abnormal clinical heterogeneous traits   for Mendel    inheritance with multiple factors exerting influence on an individual disease outcome. Therefore multiple complications arises with symptoms

4 0
3 years ago
Read 2 more answers
The coarse and fine focus knobs adjust the distance between
Pavel [41]

The correct answer is: e. the stage and the objective lens.

Coarse Focus is the rough focus knob on the microscope used for the movement the of objective lenses toward or away from the specimen (located on the slice that is placed on the stage). On the other hand, fine focus is used to focus on various parts of the specimen.. Generally, coarse focus is used first to get close then moves to the fine focus knob for fine tuning.

3 0
3 years ago
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