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nata0808 [166]
3 years ago
10

PLEASE HELP ME AND EXPLAIN!!!THANK U FOR THE HELP!!!

Biology
1 answer:
sergij07 [2.7K]3 years ago
6 0

An example of a false negative is taking an HIV test and having the test come back negative to say the patient is clean, but in reality they have HIV. Another example of a false negative is a woman taking a pregnancy test saying "not pregnant" (i.e. test is negative), but she actually is pregnant. Between those two examples, it is better to have a false negative pregnancy test because it is non life threatening.

A false positive example would be getting bad news you have cancer, when you actually don't have cancer. Another false positive example is a test saying you have a cold virus, when in actuality you don't. The first example mentioned would have the patient likely go through intense chemo treatments which would greatly affect their livelihood. The second example is a more harmless false positive as it would involve at most a flu shot if anything.

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Energy from the sun causes water to evaporate from the land and from bodies of water. As this water vapor moves high into the ai
Gala2k [10]

Answer:

c. Clouds

Explanation:

It is the process called as condensation. Condensation is when the water vapor moves up to from clouds.

7 0
3 years ago
In humans, hemophilia is caused by a recessive allele on the X chromosome. Suppose a man with hemophilia has children with a hea
Virty [35]

Answer:

The answer is 50

Explanation:

Hemophilia is a X-linked disease. That means the recesive allele which causes the disease is not in Y chromosome, but only in X chromosome.  If we denote:

X⁺ : dominant allele

X⁻: recesive allele

Then, in a woman there are three posibilities:

X⁺X⁻: is a carrier woman (without hemophilia)

X⁺X⁺: healthy woman

X⁻X⁻: woman with hemophilia

But in a man there are two posibilities:

X⁺Y: healthy man

X⁻Y: man with hemophilia

A man with hemophilia is X⁻Y, and a healthy woman whose mother had hemophilia is a carrier woman (X⁺X⁻). If they have a child, there are 4 posibilities, and each one has 1/4 of occurrence probability:

X⁻Y  x  X⁺X⁻ = X⁻X⁺, X⁻X⁻, X⁺Y, YX⁻

Posibilities with hemophilia are X⁻X⁻ and YX⁻ (1/4 + 1/4= 1/2= 0.5= 50%)

In each filial, there is a 50 percent of probability of having a child (man or woman) with hemophilia.

3 0
3 years ago
Which organ is part of the digestive system?
Lisa [10]
C esa es la respuesta buena suerte
8 0
3 years ago
Read 2 more answers
Which place would you most likely find pioneer species growing?
anyanavicka [17]
The answer is a Newly formed Volcano 
5 0
4 years ago
Genes:
Assoli18 [71]

Answer:

B. They determine the structural and functional characteristics of each individual

Explanation:

Genes are present in all plants and in all prokaryotes, so answer choices A and E are incorrect. Genes are present in all living things.

Genes do determine the structural characteristics of each individual, but they also determine the functional characteristics.

Structure, which is controlled by genes, directly affects function. For example, a gene could code for a specific protein's structure, which will in turn give it a specific function.

So, the correct answer is B.

8 0
3 years ago
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