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timurjin [86]
3 years ago
14

Which factor most likely results in the loss of genetic variation from small populations?

Biology
1 answer:
nydimaria [60]3 years ago
7 0

Answer:

the answer is generic drift

Explanation:

Which factor listed below most likely results in the loss of genetic variation from small populations? Genetic Drift.

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What process can account for the phenomenon wherein a normal xy male produces a sperm carrying two y chromosomes?.
Rasek [7]

Answer:

second division nondisjunction

Explanation:

7 0
2 years ago
What do you think selectively permeable means?
enot [183]

Answer:

B. The membrane lets certain substances move across it freely, while others must move through a “gate”.

Explanation:

Selective permeability is a property of cellular membranes that only allows certain molecules to enter or exit the cell. This is important for the cell to maintain its internal order irrespective of the changes to the environment. For example, water, ions, glucose and carbon dioxide may need to be imported or exported from the cell depending on its metabolic activity. Similarly, signaling molecules may need to enter the cell and proteins may need to be released into the extracellular matrix. The presence of a selectively permeable membrane allows the cell to exercise control over the quantum, timing and rate of movement of these molecules.

3 0
3 years ago
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Summarize the role of bacteria in keeping the nitrogen cycle balanced.
Anna11 [10]

Answer:

dear user

the answer is given above

7 0
3 years ago
How would damage to the left posterior column affect you?
Yanka [14]

Answer:

Posterior column mediates a pathway called as posterior column medial lemniscus pathway in central nervous which is responsible for mediating certain sensations like touch, vibration etc. Damage to the left posterior column unable to transmit signals to the primary somatosensory cortex in the gyrus and parietal  lobe of the brain.

Explanation:

  • The spinal cord and cerebrum is connected by some specialized tract called as white matter tract. These tracts are either ascending or descending.
  • The another name of ascending pathway is known as medial lemniscus pathway.
  • The origin of this pathway takes place within posterior column of the spinal cord.
  • Posterior column medial lemniscus pathway is important as it transmit signals to the cerebrum which is responsible for generating impulse like vibration, touch etc.
  • Thus damage to this column can't be able to transmit signals to different parts of cerebrum and thus impulse like touch, vibration,pressure etc will not generate.

6 0
3 years ago
Which best describes the nucleus of an atom?
Naily [24]

Answer:

A. It is the most massive part of the atom.

5 0
3 years ago
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