Mendel was able to draw his ideas of segregation and

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18) Mendel was able to draw his ideas of segregation and independent assortment because of the influence of which of the following? A) His reading and discussion of Darwin's Origin of Species B) The understanding of particulate inheritance he learned from renowned scientists of his time C) His discussions of heredity with his colleagues at major universities D) His reading of the scientific literature current in the field E) His experiments with the breeding of plants such as peas Answer: E Topic: Concept 14.1 Skill: Synthesis/Evaluation 19) Mendel's observation of the segregation of alleles in gamete formation has its basis in which of the following phases of cell division? 20) Mendel's second law of independent assortment has its basis in which of the following events of meiosis I? 21) Black fur in mice (B) is dominant to brown fur (b). Short tails (T) are dominant to long tails (t). What fraction of the progeny of the cross BbTt × BBtt will have black fur and long tails?
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7 22) In certain plants, tall is dominant to short. If a heterozygous plant is crossed with a homozygous tall plant, what is the probability that the offspring will be short? A) 1 B) 1/2 C) 1/4 D) 1/6 E) 0 Answer: B Topic: Concept 14.2 Skill: Application/Analysis 23) Two true-breeding stocks of pea plants are crossed. One parent has red, axial flowers and the other has white, terminal flowers; all F 1 individuals have red, axial flowers. The genes for flower color and location assort independently. If 1,000 F 2 offspring resulted from the cross, approximately how many of them would you expect to have red, terminal flowers? 24) In a cross AaBbCc × AaBbCc , what is the probability of producing the genotype AABBCC ?
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