🤓 Based on our data, we think this question is relevant for Professor Gwin's class at DREXEL.
All female mammals have one active X chromosome per cell instead of two. What causes this to happen?
a. attachment of methyl (-CH3) groups to the X chromosome that will remain active
b. activation of the XIST gene on the X chromosome that will become the Barr body
c. inactivation of the XIST gene on the X chromosome derived from the male parent
d. activation of the BARR gene on one X chromosome, which then becomes inactive
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Our tutors have indicated that to solve this problem you will need to apply the Chromosomal Theory of Inheritance concept. You can view video lessons to learn Chromosomal Theory of Inheritance. Or if you need more Chromosomal Theory of Inheritance practice, you can also practice Chromosomal Theory of Inheritance practice problems.
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What professor is this problem relevant for?
Based on our data, we think this problem is relevant for Professor Gwin's class at DREXEL.