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14_Study Guide - Biology 7e(Campbell Chapter 14 Mendel and...

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Biology, 7e (Campbell) Chapter 14: Mendel and the Gene Idea Chapter Questions 1) Pea plants were particularly well suited for use in Mendel's breeding experiments for all of the following reasons except that A) peas show easily observed variations in a number of characters, such as pea shape and flower color. B) it is possible to completely control matings between different pea plants. C) it is possible to obtain large numbers of progeny from any given cross. D) peas have an unusually long generation time. E) many of the observable characters that vary in pea plants are controlled by single genes. 2) A plant with purple flowers is allowed to self-pollinate. Generation after generation, it produces purple flowers. This is an example of A) hybridization. B) incomplete dominance. C) true-breeding. D) the law of segregation. E) polygenetics. 3) Which of the following statements about Mendel's breeding experiments is correct ? 4) What is the difference between a monohybrid cross and a dihybrid cross? 1
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5) A cross between homozygous purple-flowered and homozygous white-flowered pea plants results in offspring with purple flowers. This demonstrates 6) The F 1 offspring of Mendel's classic pea cross always looked like one of the two parental varieties because A) one allele was completely dominant over another. B) each allele affected phenotypic expression. C) the traits blended together during fertilization. D) no genes interacted to produce the parental phenotype. E) different genes interacted to produce the parental phenotype.
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