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SpyIntel [72]
2 years ago
10

One trisomy found in humans, Down syndrome , results from___ during meiosis.

Biology
1 answer:
LiRa [457]2 years ago
5 0

Answer:

A, nondisjunction.

  • Nondisjunction is the failure in sister chromatids to separate properly during cell division.
  • i hope this helped at all.
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Explain why the ratio of motor neurons to muscle fibers is greater in muscles that control eye movement than in postural muscles
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The muscles of the eye cover a greater number and in turn carry out greater fine motor skills.

Explanation:

Alpha motor neurons are neurons that invent the skeletal muscle, that is, striated, so that through the motor plate that is the unit that unites them, an action potential is transmitted that contracts the sarcomeros of the elastic fibers and the z lines. come closer, each eye movement is much more precise than the locomotion of the lower limb, which carries greater innervation in each muscle bundle due to the specificity of the movement, this is how more alpha motor neurons are required to mobilize the eye than a leg.

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ValentinkaMS [17]

The given blank can be filled with External.

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Why is innate host resistance a type of nonspecific immune response?.
ASHA 777 [7]

These defenses are described as nonspecific because they do not target any specific pathogen; rather, they defend against a wide range of potential pathogens.

<h3>Is innate immunity nonspecific resistance?</h3>

The innate immune system provides this kind of nonspecific protection through a number of defense mechanisms, which include physical barriers such as the skin, chemical barriers such as antimicrobial proteins that harm or destroy invaders, and cells that attack foreign cells and body cells harbouring infectious agents.

Thus,  they do not target any specific pathogen; rather, they defend against a wide range of potential pathogens.

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brainly.com/question/14706824

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