Bio Final Exam| 220 QUESTIONS| WITH COMPLETE SOLUTIONS

Which of the following statements about asexual reproduction is true? a. It requires meiosis. b. In asexual reproduction, there is genetic variation among the offspring. c. In asexual reproduction, two gametes fuse to produce a zygote. d. It produces offspring that are genetically identical to the parent. correct answer: d. It produces offspring that are genetically identical to the parent Interphase involves all of the following steps except a. DNA replication. b. the synthesis of cellular components necessary for mitosis. c. the conservation of energy for later stages of mitosis. d. the condensation of chromatin. correct answer: d. the condensation of chromatin. Knowledge of the cell cycle has led to improved means of treating cancer. Taxol prevents the microtubules of the spindle fiber from functioning normally. Taxol prevents the cell cycle from entering a. G1. b. S. c. prophase. d. interphase. correct answer: c. prophase. Which statement about the cell cycle is not true? a. It consists of interphase, mitosis, and cytokinesis. b. The cell's DNA replicates during G1. c. A cell can remain in G1 for weeks or much longer. d. DNA is not replicated during G2 correct answer: b. The cell's DNA replicates during G1. The difference between asexual and sexual reproduction is that a. asexual reproduction occurs only in bacteria, whereas sexual reproduction occurs in plants and animals. b. asexual reproduction results from meiosis, whereas sexual reproduction results from mitosis. c. asexual reproduction results in an organism that is identical to the parent, whereas sexual reproduction results in an organism that is not identical to either parent. d. asexual reproduction results from the fusion of two gametes, whereas sexual reproduction produces clones of the parent organism. correct answer: c. asexual reproduction results in an organism that is identical to the parent, whereas sexual reproduction results in an organism that is not identical to either parent. 7. One difference between mitosis and meiosis I is that a. homologous chromosome pairs synapse during mitosis. b. chromosomes do not replicate in the interphase preceding meiosis. c. homologous chromosome pairs synapse during meiosis but not during