Scientists Using RNA Hybridization Techniques Found That a Transcription Factor

question 25

Multiple Choice

Scientists using RNA hybridization techniques found that a transcription factor called macho-1 localized to some cells during early cleavage,but not others.Descendents of these cells produce mesodermal derivatives.Which structures might not be found in embryos depleted of macho-1?

• A)neural tube
• B)somites
• C)digestive system
• D)skin

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