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11Alexandr11 [23.1K]
3 years ago
13

Which of the following is an example of genetic engineering? I need an answer PLZ due today

Biology
2 answers:
jekas [21]3 years ago
8 0

Answer:

The last answer would be considered to be genetic engineering

Explanation:

What the farmer is doing is selective breeding by crossing a plant with desirable traits to another plant with other desirable traits so that the result would eventually display a combination of both features. This is manipulating the genetic makeup of the flower's offspring. Number two and three are naturally occurring. For the first one's case, it does not necessarily manipulate the object's genetic makeup. Hope this helps :) Soz if I'm wrong

Svetllana [295]3 years ago
3 0

Answer:

anges.

Pollen from one type of flower is carried by the wind to another type of flower, resulting in a crossbreed

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300 BC by Greek philosophers
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A person's blood type is determined by the:_______
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) Presence of specific glycoproteins on the cell membrane

Explanation:

When specif glycoproteins(antigens)  or antibody are present on a cell membrane of Red blood cell,they can  be used to identify the blood type.Antigens are substances capable of triggering an immune response in a cells.

In addition,they function in transport of molecules across the RBC. They help in the maintenance of the RBC,and aiding the arrest of cells capable of causing diseases to the body.

Therefore,they are good determinants of blood types,based on this two types of antigens present in a  blood type.

These two antigens  used for classification of blood types are the 1-the ABO antigens 2,the Rhesus antigens.

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Antigen can also be glycoprotein,carbohydrate or glycolipids.

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4 0
3 years ago
The endocrine system regulates the body through hormone release. Like the nervous system, what does the endocrine system help ma
Oliga [24]

Answer:

How is the endocrine system related to the nervous system in terms of its regulatory activity?

For one, the endocrine system uses chemical signaling (hormones, produced by glands) while the nervous system uses electrical signaling (neural impulses). The signal transmission of the nervous system is fast because neurons are interconnected, but the functions are more short-lived.

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Thus, the correct answer is option (d).

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