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luda_lava [24]
3 years ago
11

How many copies of a gene are in a zygote?

Biology
1 answer:
JulijaS [17]3 years ago
5 0
It should be 2, but I'm not exactly sure
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PLS HELP FOR 35 POINTS!!! PLS ANSWER THEM ALL I WOULDN'T B DOIN THIS IF I DIDN'T NEED HELP W EM ALL
Svet_ta [14]
It will mix together 1
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8 0
3 years ago
What characteristics are used to describe a population?
kramer

A group of people who reside in an area

6 0
3 years ago
According to selye (1956, 1976), the _____ phase of the general adaptation syndrome is responsible for the person making efforts
STALIN [3.7K]
<span>According to Selye (1956, 1976), the resistance  phase of the general adaptation syndrome is responsible for the person making efforts to cope with the threat.</span>
There are three phases in the <span>Hans Selye's General Adaptation Syndrome (GAS). The first one is the Alarm (</span>organism becomes mobilized to meet the threat) . The second is Resistance, and the third is the Exhaustion (it occurs
if organism fails to overcome threat).
7 0
3 years ago
The hypothalamus releases ___________, the pituitary gland releases __________, and the adrenal glands release ____________ to c
meriva

The complete statement is "Hypothalamus release CRH , pituitary gland  release ACTH, and the adrenal glands release cortisol to complete the action in the HPA axis."

<h3>What is HPA axis events?</h3>

Generally, The key physiological mechanism that regulates the human body's stress response is the HPA axis.

In conclusion, HPA axis cascaded events are

Hypothalamus release CRH

anterior pituitary release ACTH

adrenal glands release cortisol.

Read more about Mammals

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5 0
3 years ago
Distinguish between directional, stabilizing, and disruptive selection. Give examples.
pashok25 [27]
Directional selection is a type of natural selection that favors one extreme phenotype over the mean or another extreme. Examples of directional selection include giraffes that have long necks and the darkening of London's peppered moths after the Industrial Revolution.

Stabilizing selection, also known as purifying selection, is a type of natural selection in which genetic diversity decreases as the population stabilizes on a particular trait value. An example of stabilizing selection is birth weigh in humans.

Disruptive selection is a type of natural selection that shows a preference toward the reproduction of genetic material at the extremes within a population.One of the most studied examples of disruptive selection is the case of ​London's peppered moths.
From Wikipedia
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5 0
3 years ago
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