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Tutor profile: Lexie Q.

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Lexie Q.
Science and Study Skills Tutor
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Questions

Subject: Natural Sciences

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Question:

Why did Mendel select pea plants as his model for his genetic experiments?

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Lexie Q.
Answer:

He chose the pea plant because he could control the fertilization of the plant by preventing self fertilization and he was able to isolation specific genetic traits. It also allowed him to see multiple generation in large quantities in a relatively short time.

Subject: Literature

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Question:

What is the significance of the color red in the novel Ethan Frome?

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Lexie Q.
Answer:

The color red in the novel Ethan From is a reoccurring symbol for danger. This includes Ethan's scar and multiple articles of clothing worn by Mattie. This foreshadows the sled accident that causes the scar and Mattie's death.

Subject: Biology

TutorMe
Question:

What type of mutation can be caused by the deletion, insertion or duplication of a gene and why is this particular mutation so harmful?

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Lexie Q.
Answer:

These can all cause a frameshift mutation. A frameshift mutation is harmful because it shifts the reading frame of codons and thus causes the DNA to code for the incorrect amino acids. This causes the resultant protein to be nonfunctional.

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