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spin [16.1K]
2 years ago
14

PLEASE HELPPP!!! Why would scientists want to selectively breed organisms?

Biology
2 answers:
storchak [24]2 years ago
7 0

Answer:

all are correct. hope this helps

Explanation:

Semenov [28]2 years ago
5 0

Answer:

D. All are correct.

Explanation:

Selective breeding allows producers to select and breed parent organisms with desired traits to produce offspring with more desirable characteristics. This process creates offspring who are genetically superior to the parent organisms, thus improving plants and animals with each generation.

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The pattern of transcription for a pair of identical twins (Tweedledee and Tweedledum) is very similar at the age of 10. However
aivan3 [116]

Answer:

Explanation:

My best bet is DNA methylation at the site of Tweedledum's leptin gene or Histone Acetylation at the site of Tweedledee's gene.

B/c DNA methylation is a process by which methyl groups are added to the DNA molecule. Methylation can change the activity of a DNA segment without changing the sequence. When located in a gene promoter, DNA methylation typically acts to repress gene transcription. So this is probably repressing Tweedledum's leptin gene trancription which is not happening in Tweedledee.

Additionally, Histone Acetylation at site of Tweedledee's gene increases her trancription b/c Histone acetylation causes DNA to be more accessible and leads to more transcription factors being able to reach the DNA. Thus, acetylation of histones is known to increase the expression of genes through transcription activation.

7 0
3 years ago
What event in history led to the the dark-colored peppered moth being better able to survive than the lighter-colored variety? A
atroni [7]
The pollution from the Industrial Revolution darkening the trees. After the trees darkened from all the soot in the air, the white moths were easier to see and more vulnerable to predators. The dark moths blended into the dark tree bark.
5 0
3 years ago
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List two ways in which the biosphere would be impacted if there were no hydrosphere. Use complete sentences. ​
inn [45]

Answer:

The hydrosphere refers to the water on the earth crust. If there were no hydrosphere, we would not have lakes, oceans, rivers, or even a hose full of water.  

3 0
2 years ago
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Why do some people feel bloated and uncomfortable when eating gluten?
Butoxors [25]

Answer:

Due to gluten intolerance.

Explanation:

Gluten is a protein present in the food items like wheat, barley and bread. Nearly 1% of the population are unable to digest the gluten protein.

The gluten intolerance people feel bloated as gas build up in their body after the consumption of wheat. This may leads to uncomfortable and health problems in gluten intolerant people. This is a type of auto-immune disease.

Thus, the correct answer is gluten intolerance.

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3 years ago
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Name the membrane transport process by which glucose moves from the extracellular fluid into cells.
nirvana33 [79]

Answer:

Facilitated diffusion

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3 years ago
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