Multiple Choice
Which of the following is evidence supporting the Lyon hypothesis of X inactivation?
A) Female mammals that are heterozygous for X-linked traits are phenotypic mosaics.
B) A highly condensed structure is consistently observed in female cells,but not in normal male cells.
C) A female cat that is homozygous for coat color cannot have a calico phenotype.
D) Calico patterns of coat color are never exactly the same.
E) All of these are correct
Correct Answer:

Verified
Correct Answer:
Verified
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