Biology: Reproduction Castle Learning – Flashcards
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Sheep were the first species of mammals to be cloned. Which statement about cloned sheep is correct?
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Two sheep from the same parent cannot mate and have offspring because they are the same sex.
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All the information necessary for growth, development, and eventual reproduction of sexually reproducing organisms is present in
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zygotes
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Which expression correctly represents a reproductive that usually occurs in humans where 2n is equal to the number of chromosomes in each body cell?
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n+n=2n
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Which processes lead to the greatest variety of genetic combination?
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Meiosis and fertilization
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The function of the testis is the
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development of sperm.
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Testosterone directly affects the
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production of sperm cells (male hormone).
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The reproductive system of a male mammal provides
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a means for the delivery of gametes.
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Which sequence best represents sexual reproduction?
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Meiosis-gametes-fertilization-zygote.
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Which processes allows a mammal to continue to grow in size?
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Mitosis of body cells.
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The fetus develops in the
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uterus
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The ovary produces
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Estrogen, progesterone, and eggs.
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The uterus is the structure in which the
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embryo develops by mitotic cell division and differentiation.
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The major function of the placenta is to
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exchange food, oxygen, and waste between the mother and fetus.
