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astra-53 [7]
2 years ago
14

Explain the role of crossing over in terms of achieving genetically varied offspring​

Biology
1 answer:
Annette [7]2 years ago
8 0

Answer:

Crossing over is a process that happens between homologous chromosomes in order to increase genetic diversity. During crossing over, part of one chromosome is exchanged with another. The result is a hybrid chromosome with a unique pattern of genetic material.Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. When cells divide during meiosis, homologous chromosomes are randomly distributed to daughter cells, and different chromosomes segregate independently of each other.

Explanation:

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A(n) _______ is an uncontrolled positive feedback loop between cytokines and leucocytes.
Vinvika [58]

Answer:

The given blank can be filled with cytokine storm.

Explanation:

Generally, influenza is self-restricting. Though serious cases can result in pneumonia and other issues, which can be deadly. However, such cases are very common in the elderly and in very young individuals. There are certain strains of the influenza virus, which are more dangerous to young adults in comparison to old or very young.  

The strains, which influence young adults are considered to comprise a cytokine storm, that is, a positive feedback loop, which produces in between the production of cytokines and leukocytes. This cytokine storm generates an acute inflammatory reaction, which results in brisk accumulation of fluid in the lungs, resulting in pulmonary failure. The very young or very old are less vulnerable to this influence as their immune systems are less strong.  

4 0
3 years ago
Heart muscle works hard and therefore consumes much ATP. Which organelles would you expect to be especially numerous in the hear
lyudmila [28]

Answer: Mitochondria will be numerous in the heart muscle.

Explanation:

The heart muscle is the muscle that constitute the walls and tissue of the heart. It help to keep the heart pumping during involuntary movement. The heart muscle work hard and costumes alot of energy. The heart muscle have numerous of Mitochondria. Mitochondria is numerous in cells where there is high need of energy.

The Mitochondria is a membrane bound organelles that generate energy which is use by the cells for biological processes. Mitochondria help to generate energy.

5 0
3 years ago
All of the following would result in a population increase except
Sidana [21]
Answer: B

Explanation: because birth and immigration is making the group bigger zero deaths and animals leaving
6 0
2 years ago
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What are some human activities that change the environment?
Aleksandr-060686 [28]

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water

Other answers:

Overpopulation.

Pollution.

Global Warming.

Climate Change.

Genetic Modification.

Ocean Acidification.

Water Pollution.

Deforestation.

7 0
2 years ago
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Why would a plant not grow well in green light?
prohojiy [21]

Answer:

green light is not real light plants need the sun which produces real energy

6 0
3 years ago
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