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Agata [3.3K]
2 years ago
15

One method is to microinject ____________ into eggs; another method is to use ____________ to create tiny holes in the eggs thro

ugh which DNA enters.
Biology
1 answer:
Elina [12.6K]2 years ago
6 0

One method is to microinject deoxyribonucleic acid (DNA) into eggs; another method is to use vortex mixing to create tiny holes in the eggs through which DNA enters.

<h3>Process of gene transfer</h3>

Genetic engineering techniques are steps that are taken to create a genetically modified organism that can be used for studies. This technique involves the following major steps:

  • Isolation of DNA fragments from a donor organism,

  • The insertion of an isolated donor DNA fragment into a vector genome; and

  • The growth of a recombinant vector in an appropriate host.

The insertion of an isolated donor DNA fragment into a vector genome can be done through microinjection method or vortex mixing.

When eggs are used as vector genome, microinjection of DNA can be carried out or vortex mixing can be used to create tiny holes in the eggs through which DNA enters.

Learn more about DNA here:

brainly.com/question/21265857

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How many kinds of gametes will be expected from an individual with the genotype ppccttrr?
ElenaW [278]

<u>Answer:</u>

<em>16 kinds of gametes can be expected from an individual with the genotype ppccttrr. </em>

<u>Explanation:</u>

<em>Gametes are the haploid mature germ cells which can be both male and female.</em> They have the ability to unite to opposite sex in the reproduction phase to form a zygote.

<em>The example of gamete is the sperm that is ready to fertilize the egg during reproduction. </em>so there will be 16 types of reproductive cell with single <em>set of unpaired chromosomes with the genotype ppccttrr.</em>

7 0
4 years ago
What is the approximate percentage of total fixed nitrogen attributed to human activities?
Sever21 [200]

Of the annual global total of fixed nitrogen, human activities account for roughly 45%.

Nitrogen fixation is the global amount of nitrogen that gets assimilated by any living organism into another organic compound. The organic compound can be ammonia or nitrogen ions.

Of the total global annual nitrogen fixation, humans account for a great amount. The current estimation is that humans cause 45% of the nitrogen fixation annually. The leading causes of this high rate are the burning of fossil fuels and increased agricultural fertilizer use.

To learn more visit:

brainly.com/question/7049583?referrer=searchResults

4 0
3 years ago
Certain species of velvet worms have only female individuals and no males. These worms reproduce asexually. What is one advantag
Nady [450]
Okay bestayyy go off queen ahhh
8 0
3 years ago
HELPPP WHAT ARE Three ways nitrogen can be fixed or transformed for animals and plants to use
Svetlanka [38]

Answer:

Thus, nitrogen undergoes many different transformations in the ecosystem, changing from one form to another as organisms use it for growth and, in some cases, energy. The major transformations of nitrogen are nitrogen fixation, nitrification, denitrification, anammox, and ammonification

Explanation:

Hope this helps

4 0
3 years ago
What would happen if water from Tank A was added to Tank B?
slamgirl [31]
When you take water from tank A then tank A salinity would not be less or higher so option A and B are out. The answer is depends on the relative salinity of tank A to tank B.
Assuming the tank A salinity is higher than B, then the tank B salinity will also become higher.
Answer: <span>d.the salinity in Tank B would be higher</span>
6 0
3 years ago
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