Which of the Following Is NOT a True Statement Regarding

question 60

Multiple Choice

Which of the following is NOT a true statement regarding sonic hedgehog protein (SHH) ?

• A) it is a ventralizing signal in the developing spinal cord
• B) its presence induces gene expression of a number of transcription factors
• C) its presence represses gene expression of a number of transcription factors
• D) it is found in abundance throughout the developing embryonic spinal cord

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Definitions:

Union of Events

The set of outcomes that belong to either one event or another in probability, including those that belong to both events.

Sample Space

The set of all possible outcomes in a statistical experiment.

Conditional Probability

The probability of an event occurring, given that another event has already occurred.

Mutually Exclusive Events

Two or more events that cannot occur at the same time in any given experiment or scenario, implying no overlap in their outcomes.