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MakcuM [25]
3 years ago
9

CRISPR-Cas9 is a genetic modification technique that edits parts of the genome of an organism. Using this technique scientists c

an add, remove, or modify sections of the DNA sequence.
How can scientists use this technique to control gene expression?
A.By activating or deactivating specific genes
B.By determining the number of chromosomes in an organism.
C.By calculating the number of genes different organisms produce
D.By identifying how closely related one individual is to another
It can be a decimal number but is often written as a fraction and seldom as a mixed number
Biology
2 answers:
LekaFEV [45]3 years ago
4 0

Answer: A,

by activating or deactivating specific genes

Explanation:

chubhunter [2.5K]3 years ago
3 0

Answer:

Explanation: is A :)

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The diagram shows the inside of a eukaryotic cell.
Svetradugi [14.3K]

Answer:

Actually, eukaryotic cells are cells that contain a nucleus and organelles, and are enclosed by a plasma membrane. Organisms that have eukaryotic cells include protozoa, fungi, plants and animals.

Explanation:

5 0
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The concept of evolution by way of natural selection is a central tenet in biology that has been tested in numerous ways by many
Elodia [21]

The concept of evolution by way of natural selection is a central tenet in biology that has been tested in numerous ways by many scientists but is not yet considered a law. Evolution by way of natural selection is most likely which type of concept?

a hypothesis that can be accepted as true based on repeated experimentation with similar results

a likelihood based on the chance that a particular event will or will not occur

a statement of fact that is generally accepted to be true and universal because it has always been observed to be true

a probability that is an answer to a scientific question and is based on prior knowledge or research

A hypothesis can be a true based which is found on repeated experimentation which has similar results. Thus, option "A" is correct.

<h3>What is evolution?</h3>

Evolution is termed as the change in characteristics which are heritable of population over successive generation.

A good example of biological organisation include molecules, individual organisms and level of species.

The repetition of formation of new speciation, they change within anagenesis and loss of extinction to all through the history of evolution in life.

The hypothesis explains more about a phenomenon. For a hypothesis to be scientific it needs to be tested first.

Thus, option "A" is correct.

To learn more about Evolution click here:

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6 0
2 years ago
Help.<br><br> Gcse foundation.
kupik [55]

Answer: Almost certainly have no effect.

Explanation:

Most mutations that happen to your dna will barely ever show themselves in any way. And they probably won't even be passed to your children, because only mutations that happen in your gametes will get passed.

6 0
3 years ago
A client with metastatic pancreatic cancer underwent surgery to remove a malignant tumor in the pancreas. despite the tumor bein
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<span>The physician is opting to use chemotherapy as a backup plan, as cancer may have spread throughout the body before the tumor in the pancreas was removed. Chemotherapy has been proven to treat cancer.</span>
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4 years ago
Which best describes why scientists need to be creative? A. They need to be sure that the evidence backs up the conclusion. B. T
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Answer: D, They need to think of ways to solve problems.

Explanation:

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