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Biology 20 Online
OpenStudy (anonymous):

The formation of a Barr body a. causes the genes on one of the X chromosomes in a female cell to be switched off. b. always causes the same X chromosome in a female’s cells to be switched off. c. switches on the Y chromosome in a male cell. d. none of the above

OpenStudy (abhisar):

I think its A

OpenStudy (anonymous):

thnx

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