Which of the Following Structures Develops FIRST During the Period

question 78

Multiple Choice

Which of the following structures develops FIRST during the period of the embryo?

• A) the neural tube
• B) the primitive streak
• C) the upper arms
• D) the placenta

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A default hypothesis that there is no relationship between two measured phenomena or no association among groups being studied.

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The measure of success in achieving marketing goals through the use of telephone-based sales and promotional techniques.