Biology: The Unity and Diversity of Life
Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Textbook Question
Chapter 42, Problem 7SQ

The placenta consists of __________.

  1. a. embryonic tissue
  2. b. maternal tissue
  3. c. paternal tissue
  4. d. a combination of a and b
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Placenta is the structure formed: A. by the union of foetal and uterine tissue B. by foetus only C. by fusion of germ layers D. None of these
According to the video “The Biology of Skin Color”, how does folate deficiency affect fetal development?   A. It can cause birth defects  B. It helps the fetus to develop faster  C. It does not affect fetal development  D. It increases the health of the fetus
How does folate deficiency affect fetal development?    A. It does not affect fetal development   B. It increases the health of the fetus   C. It can cause birth defects   D. It helps the fetus to develop faster
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