41. Homologous chromosomes undergo synapsis during: a. anaphase L. b. prophase I

Question

41. Homologous chromosomes undergo synapsis during: a. anaphase L. b. prophase I c. anaphase IT. d. telophase IL. 42. Duplicated centrioles move to opposite poles of a dividing cell during theof the cell cycle a. plant, metaphase b. plant; anaphase cprokaryotic; metaphase d. animal; interphase e. animal; prophase 43. the mitotie spindie is mede of a. motor proteins. b. condensin. c. histones. d. Z rings e. microtubules. 44. The height of pea plants from a cross between parent plants heterozygous for height, in which tall is dominant, would be: a. all short. b. all tall c. I tall: 3 short d. 2 short: 2 tall. e. 3 tall: 1 short. 4S, Breeding a yellow dog with a brown dog produced puppies with both yellow and brown hairs intermixed. This is an example of a. variegation. b. codominance. c. incomplete dominance. d. epistasis. e. a polygenic trait 6. What evolutionary advantage is provided by sexual reproduction? a. increased genetic diversity b. making clones c. production of genetically identical offispring d. making polyploidy possible Peg Cognero gage Leaming Testing, Powered by

Explanation / Answer

41. b. prophase I

42. e. animal; prophase

43. e. microtubules

44. e. 3 tall:1 short

45. b. codominance

46. a. increased genetic diversity

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