Which of the following does not inactivate an X chromosome?
A) Mammals
B) Drosophila
C) C. elegans
D) Marsupials

Name: Which of the following does not inactivate an X chromosome? A) Mammals B) Drosophila C) C. elegans D) Marsupials
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Question

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Drosophila do not have X-chromosome inactivation like other organisms. Instead, they use a mechanism called dosage compensation to ensure that males and females produce equal levels of X-linked gene products.

Which of the Following Does Not Inactivate an X Chromosome