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nalin [4]
3 years ago
12

Variation in genotype is caused by

Biology
1 answer:
horsena [70]3 years ago
7 0

Answer:

Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. Another source is gene flow, or the movement of genes between different groups of organisms. Finally, genetic variation can be a result of sexual reproduction, which leads to the creation of new combinations of genes.

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A (Freud-influenced) psychologist coming from a psychoanalytic or psychodynamic perspective is most likely to say: "Science must
stepladder [879]

Answer:

<u>"A person's behavior reflects unconscious conflicts and emotions that result from early childhood experiences."</u>

Explanation:

<u>Psychoanalytic perspective:</u> In psychology, the term "psychoanalytic perspective" was proposed by Sigmund Freud. The main idea of psychoanalytic perspective is to focus on the significance of an individual's unconscious mind rather than his or her conscious mind. However, it specifies that an individual's behavior is being governed by his or her past experiences or childhood experiences.

6 0
3 years ago
How many centimeters can air pressure at sea level push a column of mercury up a tube?
Yanka [14]

Answer: At sea level and at a temperature of 0° Celsius (C), the height of the mercury column is approximately 30 inches, or 76 centimeters. This represents a pressure of approximately 14.7 psia. The 30-inch column is used as a reference standard. Atmospheric pressure does not vary uniformly with altitude.

6 0
3 years ago
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Which kinds of cells in a parent could cause a new trait to appear in the parent’s offspring?
Hitman42 [59]
Mutations cause new traits. And sperm or egg is the cell which causes his mutation. 
3 0
3 years ago
Food couldn't reach the stomach without the esophagus and the what
Goshia [24]

Answer;

Throat.


Food could not reach the stomach without the esophagus and the throat.


Explanation;

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At the back of the throat there is the trachea that allows air to come in and out of the body.

When food is being swallowed in form of a small ball of mushed-up food or liquids, the epiglottis flops down the opening of the windpipe to make sure the food enters the esophagus and not the windpipe.

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3 years ago
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Where does a cell get its energy (in the form of ATP) in order to fight off a virus?
Nitella [24]

Answer:

Through the mitochondria.

Explanation:

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Also the mitochondria is the only thing in the body that can make ATP energy

4 0
3 years ago
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