Which of the boxes marked 1 4 correspond to plants

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12) Which of the boxes marked 1-4 correspond to plants with dark leaves? A) 1 only B) 1 and 2 C) 2 and 3 D) 4 only E) 1, 2, and 3 Answer: E Topic: Concept 14.1 Skill: Application/Analysis 13) Which of the boxes correspond to plants with a heterozygous genotype? 14) Which of the plants will be true-breeding?
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5 15) Mendel accounted for the observation that traits which had disappeared in the F 1 generation reappeared in the F 2 generation by proposing that A) new mutations were frequently generated in the F 2 progeny, "reinventing" traits that had been lost in the F 1 . B) the mechanism controlling the appearance of traits was different between the F 1 and the F 2 plants. C) traits can be dominant or recessive, and the recessive traits were obscured by the dominant ones in the F 1 . D) the traits were lost in the F 1 due to blending of the parental traits. E) members of the F 1 generation had only one allele for each character, but members of the F 2 had two alleles for each character. Answer: C Topic: Concept 14.1 Skill: Knowledge/Comprehension 16) Which of the following about the law of segregation is false? 17) The fact that all seven of the pea plant traits studied by Mendel obeyed the principle of independent assortment most probably indicates which of the following? A) None of the traits obeyed the law of segregation. B) The diploid number of chromosomes in the pea plants was 7. C) All of the genes controlling the traits were located on the same chromosome. D) All of the genes controlling the traits behaved as if they were on different chromosomes. E) The formation of gametes in plants occurs by mitosis only. Answer: D Topic: Concept 14.1 Skill: Synthesis/Evaluation
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