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Julia B.
Biomedical Engineering Student at Vanderbilt University
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Java Programming
TutorMe
Question:

Random rand = new Random(); System.out.println(rand.nextInt(10) + 1); What is the inclusive range of possible values that could be printed from the previous call?

Julia B.
Answer:

1-10

Biomedical Science
TutorMe
Question:

If a fetus has a defect in the SRY gene, what phenotype and genotype would be expected and why?

Julia B.
Answer:

Because the fetus has a SRY gene, they have a male genotype. This is because the SRY gene is only found in males on the Y chromosome. The fetus would most likely have a female phenotype, or the appearance of a female. This is because the SRY gene is the sex-determining gene. When functioning properly, it stimulates the H-Y antigen, which gives the gonads a signal to form into testes. If the gonads do not receive this signal, then by default they will develop into ovaries. The ovaries will dictate the formation of the external genitalia more along the female lines. This is due to the absence of testosterone and mullerian-inhibiting factor typically produced by the testes. The fetus will also develop female secondary sex characteristics for the same reason.

Computer Science (General)
TutorMe
Question:

What is the difference between a for loop and a while loop, and when would you want to use each of them?

Julia B.
Answer:

A for loop will continue a set number of times at a set interval, until the maximum in the range is reached. This would be ideal for parsing through a list or array. A while loop will continue to repeat until a certain condition is no longer true. This would be ideal for maybe a game simulation, where the user types in characters for choices. The loop continues until the user types "q" for quit.

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