Chapter 3 Self-test questions

Vertebrate development I: life cycles and experimental techniques

Quiz Content

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. In which portion of the frog's life cycle would a frog appear most similar to a mammal?

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. The notochord is a ___ structure in vertebrate embryos that lies under the ___, and is flanked by ___.

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. The darkly pigmented end of a Xenopus egg is called

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. Which of the following choices puts the early developmental stages of the frog in their correct order?

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. During gastrulation in Xenopus, the blastocoel

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. The process in which the three germ layers form is called:

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. Cleavage in the zebrafish gives rise to the

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. The primitive streak of mouse and chick embryos is equivalent to which amphibian structure?

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. In chick development, the cell movement through the primitive streak during gastrulation is called:

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. At the blastocyst stage, the mammalian embryo is composed of

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. In mammalian development, the embryo will form from which population of cells?

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. All the genes expressed in a particular tissue or at a particular stage of development can be identified using

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. Electroporation is

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. The least favorable model organism for traditional genetic analysis is

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. What property of the mammalian embryo permits the production of chimeric mice?

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. Which technique is commonly used for gene knock-out in mice?

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. The advantage of using the Cre/loxP system for targeted mutagenesis is

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