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maksim [4K]
3 years ago
14

The fruit fly Drosophila melanogaster is an important model system for studying inheritance in animals and genetic control of an

imal development, including humans. Evaluate Drosophila as a model system for human biology. What are their strengths and weaknesses as a model system? g
Biology
1 answer:
Snezhnost [94]3 years ago
7 0

Answer:

The correct answer is "strengths: inexpensive, easy to culture, short life cycle, large number of offspring; weaknesses: invertebrate model, some diseases such as immunological cannot be modelled, anatomical features are very different from humans"

Explanation:

The fruit fly <em>Drosophila melanogaster</em> is one of the most used animal model for genetic and biomedical studies. There are many advantages of using Drosophila as model, including that it is very inexpensive to handle, it is easy to culture, it has a short life cycle allowing to observe the changes in phenotype very quickly and its large number of offspring allows to include several repetitions per trait in a study. However, there are some weaknesses of using Drosophila to study human biology. First, obviously the fruit fly is very different from humans, it is an invertebrate and its anatomical features are very different, which makes impossible to model some disorders such as immunological diseases.

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The idea that pain signals must passthrough a type of "doorway" in the spinal cord isreferred to as the ______________.
MrMuchimi

Answer:

The correct answer is - option D.  gate- control theory of pain.

Explanation:

Gate control theory of pain suggests that non painful stimulus that inhibits or closes the the gates for the stimulus of the pain. This mechanism helps in the prevention  of of the pain sensation to travel to the CNS. It is also refereed as the doorway in the spinal cord that is passed from the signals.

Thus, the correct answer is - option D. gate- control theory of pain.

5 0
3 years ago
What transmission pattern would indicate that a trait may be transmitted through X-linked inheritance
Alik [6]

Answer:

The transfer pattern of an X-linked inheritance can be either X-linked dominant or X-linked recessive.

Explanation:

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X-linked dominance inheritance occurs when the dominant gene is transmitted on the X chromosome, while X-linked recessive inheritance occurs when the recessive gene is carried on the X chromosome.

7 0
3 years ago
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Alisiya [41]

Answer:

hydrogen bonds

Explanation:

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6 0
3 years ago
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Answer:

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Explanation:

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