Chapter 25. 25·12–25·15 Human development occurs in specific stages, and 25·16...

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Instructions

Check your understanding of concepts from 25·12–25·15 Human development occurs in specific stages, and 25·16 Reproductive technology has benefits and dangers by answering the following questions.

Question 25.1

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Correct. (See section 25·12 Early embryonic development occurs during cleavage, gastrulation, and neurulation.)

Incorrect. (See section 25·12 Early embryonic development occurs during cleavage, gastrulation, and neurulation.)

Question 25.2

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Correct. (See section 25·13 How does an embryo become male or female?)

Incorrect. (See section 25·13 How does an embryo become male or female?)

Question 25.3

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Correct. (See section 25·16 Assisted reproductive technologies are promising and perilous.)

Incorrect. (See section 25·16 Assisted reproductive technologies are promising and perilous.)

Question 25.4

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Correct. (See section 25·14 There are three stages of pregnancy.)

Incorrect. (See section 25·14 There are three stages of pregnancy.)

Question 25.5

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Correct. (See section 25·15 Pregnancy culminates in childbirth and the start of lactation.)

Incorrect. (See section 25·15 Pregnancy culminates in childbirth and the start of lactation.)

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