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Unformatted text preview: 1 Biology , 8e (Campbell) Chapter 13 Meiosis and Sexual Life Cycles Multiple ‐ Choice Questions 1) What is a genome? A) The complete complement of an organism's genes B) A specific set of polypeptides within each cell C) A specialized polymer of four different kinds of monomers D) A specific segment of DNA that is found within a prokaryotic chromosome E) An ordered display of chromosomes arranged from largest to smallest Answer: A Topic: Concept 13.1 Skill: Knowledge/Comprehension 2) Which of the following statements about genes is incorrect ? A) Genes correspond to segments of DNA. B) Many genes contain the information needed for cells to synthesize enzymes and other proteins. C) During fertilization, both the sperm and the ovum contribute genes to the resulting fertilized egg. D) One gene only is used in a specific cell type. E) Genetic differences can result from changes in the DNA called mutations. Answer: D Topic: Concept 13.1 Skill: Knowledge/Comprehension 3) Asexual reproduction and sexual reproduction differ in all but which of the following ways? A) Individuals reproducing asexually transmit 100% of their genes to their progeny, whereas individuals reproducing sexually transmit only 50%. B) Asexual reproduction produces offspring that are genetically identical to the parents, whereas sexual reproduction gives rise to genetically distinct offspring. C) Asexual reproduction involves a single parent, whereas sexual reproduction involves two. D) Asexual reproduction requires only mitosis, whereas sexual reproduction always involves meiosis. E) Asexual reproduction is utilized only by fungi and protists, whereas sexual reproduction is utilized only by plants and animals. Answer: E Topic: Concept 13.1 Skill: Knowledge/Comprehension 2 4) If a horticulturist breeding gardenias succeeds in having a single plant with a particularly desirable set of traits, which of the following would be her most probable and efficient route to establishing a line of such plants? A) Backtrack through her previous experiments to obtain another plant with the same traits. B) Breed this plant with another plant with much weaker traits. C) Clone the plant asexually to produce an identical one. D) Force the plant to self ‐ pollinate to obtain an identical one. E) Add nitrogen to the soil of the offspring of this plant so the desired traits continue. Answer: C Topic: Concept 13.1 Skill: Synthesis/Evaluation 5) Asexual reproduction results in identical offspring unless which of the following occurs? A) Natural selection B) Cloning C) Crossing over D) Mutation E) Environmental change Answer: D Topic: Concept 13.1 Skill: Knowledge/Comprehension 6) The human genome is minimally contained in which of the following?...
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This note was uploaded on 11/08/2010 for the course BSC 2010 taught by Professor Bio during the Fall '10 term at Florida State College.
- Fall '10