Chapter 47 Questions-1 - Ch 47 Multiple Choice Identify the...

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Ch 47 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Russian nesting dolls, which are a set of smaller dolls packed inside larger dolls, most resemble which one of the following developmental theories? a. epigenesis b. preformation c. cell differentiation d. morphogenesis e. cell theory ____ 2. You buy a pie that contains a mixture of cherries and blueberries. When you cut the pie up, you notice that some slices have more blueberries than cherries and other slices have more cherries than blueberries. This uneven distribution of cherries and blueberries is most like the uneven distribution of a. nuclei in a zygote. b. nuclei in an early embryo. c. nuclei in an egg. d. cytoplasmic determinants in a zygote. e. cytoplasmic determinants in an early embryo. ____ 3. A puppy is born with a malformed right leg. A veterinarian studies the animal and determines that all of the correct types of cells are present, but that the leg simply took on the wrong shape. This is most likely a problem of ____ 4. As an embryo develops, new cells are formed and different types of cells develop by the process of ____ 5. Fertilization of an egg without activation is most like ____ 6. In some rare all-female salamander species, the females require the sperm from males of another species. However, the developing embryos show no signs of a genetic contribution from the sperm. In this case, the sperm appear to be used only for a. morphogenesis. b. epigenesis. c. egg activation. d. cell differentiation. e. the creation of a diploid cell. ____ 7. Which of the following is a function of the acrosome contents during fertilization?
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