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Essentials of Anatomy and Physiology Study Set 2

Biology

Quiz 20 :

Development and Inheritance

Quiz 20 :

Development and Inheritance

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Fertilization of the ovum usually occurs
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Answer:

D

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The outer layer of cells separating the outside world from the blastocoele is called the
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A

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The ectoderm forms which of the following?
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E

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The hollow cavity within the blastocyst is the
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The first extraembryonic membrane to appear is the
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The morula stage occurs during which process?
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The mesoderm forms (the)
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The period of gestation when the basic components of each of the major organ systems appear is the ________ trimester(s).
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The period of gestation that is characterized by rapid fetal growth and adipose tissue deposition is the ________ trimester(s).
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The extraembryonic membrane that forms the urinary bladder is the
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Differentiation is
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A blastocyst is
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Gastrulation produces an oval,three-layered sheet known as the
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The division of the zygote into two blastomeres occurs during
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The yolk stalk and body stalk fuse during week five,forming the
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The extraembryonic membrane that contains fluid that surrounds and cushions the developing embryo and fetus is known as the
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Polyspermy is
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Which of the following forms when blood vessels form in the chorion,around the periphery of the blastocyst?
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The study of the development of the human organism during the first two months after fertilization is called
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Choose the correct statement about amphimixis.
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