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Elza [17]
3 years ago
10

PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!

Biology
1 answer:
snow_lady [41]3 years ago
5 0

Answer:

A.)

Genetic differences permitted some mosquitoes to become immune to DDT.

Explanation:

DDT-resistant mosquitoes were first detected in India in 1959, and they have increased so rapidly that when a local spray program is begun now, most mosquitoes become resistant in a matter of months rather than years.

Hope this helps you out : )

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When a cell undergoing cellular division identifies that a chromosome misalignment had taken place the cell cycle stops until the error it's corrected.

Option two of the question states that the cell cycle will <u>proceed uncontrollably, this is not the case for the error at hand</u>. Although this can be a problem for cells and leads to the appearance of cancer, it is not caused by chromosome misalignment. As is the case with options 3 and 4.

The stop or delay in the <u>cell cycle is what normally takes place in these situations.</u> This stoppage is done by the <em><u>spindle checkpoint</u></em>, which prevents <u>duplicate chromosomes from separating.</u>

During this time, the error it's corrected. If a cell is not able to correct the error at this time, many situations can follow. <u>However, the most likely is that the cell will undergo a <em>programmed cellular death.</em> </u>

To learn more visit:

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3 years ago
HOW DO YOU NORMALLY TELL IF TWO THINGS CAN INTERBREED?
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because ideas about evolution by natural selection have never been proven false what term can be used to describe evolution by n
Tanya [424]
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Scientific theory is a work in progress. It is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method, and repeatedly confirmed through observation and experimentation.
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