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Zolol [24]
3 years ago
11

Describe how DNA is modified for use in genetic engineering.

Biology
1 answer:
Alekssandra [29.7K]3 years ago
3 0

Answer:

Genetic engineering can be described as a process in which the DNA of an organism is modified to change its characteristics or phenotype.

DNA modification occurs when a 'gene of interest' is taken from an organism and introduced into a vector such as a plasmid. Or this gene or piece of  DNA might directly be incorporated into another organism. The gene of interest incorporated into the DNA of a host will be able to express itself.

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For children who do not have galactosemia, what are their possible genotypes for this trait?
Ilia_Sergeevich [38]

Answer:

The correct answers are "heterozygous", and "homozygous dominant".

Explanation:

Galactosemia is a condition where people are not able to process the sugar galactose. People with this condition have one gene mutated, which does not allow the proper synthesis of the enzyme that breaks down galactose. Galactosemia is inherited as an autosomal recessive genetic condition, therefore, only children that are homozygous recessive develop the condition. Children that are heterozygous or homozygous dominant, will not develop galactosemia.

4 0
3 years ago
Read 2 more answers
What causes an ecosystem to move from a primary successional stage towards a relatively-stable mature ecosystem?
Gnoma [55]

Answer:

The correct answer is "secondary succession, an ecological succession step where an area previously occupied by living beings is disrupted".

Explanation:

In ecological succession, an ecosystem changes and develops through a series of steps. The first step, is the primary successional stage where rocks or other sedimentary structures are colonized by microorganisms. The second step, where the ecosystems changes towards a relatively-stable mature stage, occurs when an area previously occupied by living beings is disrupted. This step is named secondary succession, and the most clear example of this phenomena occurs when wildfire clears oak and hickory forests.

8 0
3 years ago
Consider this animal cell.
zhuklara [117]

Answer:

The answer to your question is  the Golgi apparatus

Explanation:

Mitochondria is letter G

Ribosome could be letter E

Golgi apparatus is letter A

Lysosome is letter B

Golgi apparatus has a function similar to a post office because it modified, sorted, packed and distributed proteins and lipids.

4 0
3 years ago
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Which statement best describes the term symbolism
Nataly_w [17]

Answer:

C.  A writer uses an object to resent significant ideas or qualities.

Explanation:

7 0
2 years ago
Which structure is common to plant and animal cells? 48) ______a) chloroplast
Lelechka [254]
<span> The answer is <span>centriole</span>

The majority of cells have mitochondrion as they need them for their respiration. Chloroplast is the structure plants use to produce their organic matter, the vacuole is very developed in plant cells and is central where as you usually have many vacuoles in animal cells, and the centriole is usually present in animal cells only as well as the wall of cellulose that wraps up the plant cell.</span>
4 0
3 years ago
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