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cupoosta [38]
4 years ago
15

Mutagens are useful in biotechnology research for producing organisms with altered phenotypes. producing new organisms which hav

e beneficial traits from two or more organisms. selecting genetic mutants resistant to radioactivity. removing undesirable traits from microbes. producing DNA fragments for cloning.
Biology
1 answer:
ICE Princess25 [194]4 years ago
4 0

Answer:

The correct answer is A.

Explanation:

A mutagen changes the level of mutations that occur in the DNA either by affecting it physically or chemically. This helps researchers create different organisms with altered phenotypes according to what the research needs so that the genes can be investigated further under a controlled environment.

So the answer is A.

I hope this helps.

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A farmer raising cattle for beef production has divided his range into four quadrants of equal size which quadrant of range land
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Answer:

The quadrant with more probabilities of overgrazing would be the one in which the drinkers and the rest zone is.

Explanation:

When a farmer has cattle for beef, most of them divide the land in quarters and limit each of them, this is to keep the cattle in only one quarter to make sure they eat all the forages in there and then they pass to the next quarter, this gives the other quarters (the forage) time to grow properly.

If the farmer uses all the four quarters, the  natural behavior of the cattle would make the quarter that has the drinkers and the rest zone to be more likely to have an overgrazing.

This is because cows look for their aliments near them and near their comfort zone, they only move when the forage of that area is over.

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