If each interphase nucleus in 100 epithelial cells from a rat contains a single Barr body, one can conclude that
A) the cells have an excess of DNA methyltransferase.
B) the cells have a deficiency of DNA methyltransferase.
C) all of the chromatin in these cells is inactive.
D) the cells came from a male rat.
E) the cells came from a female rat.
Correct Answer:
Verified
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