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Chapter 14 - Biology Exam

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Last update by excalade500 on 04/07/2013
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Chapter 14   Biology Exam
Chapter 14 - Biology Exam
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Question: A cross between a true-breeding sharp-spined cactus and a spineless cactus would produce A) all sharp-spined progeny. B) 50% sharp-spined, 50% dull-spined progeny. C) 25% sharp-spined, 50% dull-spined, 25% spineless progeny D) all spineless progeny. E) Itis impossible to determine the phenotypes of the progeny.
Answer: A) all sharp-spined progeny.