1
A) produce gametes B) are haploid C) usually undergo mitosis D) are special somatic cells 2
A) sister chromatids pair all along their length B) sister chromatids pair at the centromeres C) homologues repel each other except at the ends D) homologues pair all along their length 3
A) synapsis B) homologous recombination C) reduction division D) diakinesis 4
A) zygotene B) pachytene C) leptotene D) diplotene 5
A) Prophase II B) Anaphase I C) Metaphase I D) None of the above 6
A) anaphase I B) prophase II C) metaphase II D) prophase I E) metaphase I 7
A) sister chromatids move toward opposite poles B) homologous chromosomes move toward opposite poles C) terminal chiasmata move toward opposite poles D) homologues move toward the same pole E) homologous chromosomes move randomly toward either pole 8
A) parthenogenesis B) meiosis C) oncogenesis D) mitosis E) binary fission 9
A) syngamy B) binary fission C) mitosis D) synapsis E) meiosis 10
A) mitosis and oogamy B) isogamy and meiosis C) meiosis and fertilization D) meiosis and oogamy E) mitosis and heterogamy 11
A) always divides by mitosis B) may immediately engage in syngamy C) always divides by meiosis D) may divide by meiosis E) can only divide by binary fission 12
A) parthenogenesis B) binary fission C) a haploid adult D) syngamy E) a life cycle excluding meiosis 13
A) The number of chromatids per chromosome B) Synapsis C) The number of homologues D) Terminal chiasmata E) Synergistic complex 14
A) recombinant DNA B) genetic engineering C) mutation D) symbiosis E) gene repair 15
A) are fused together by the synaptonemal complex B) are attached by their ends to the nuclear envelope C) are held together near their common centromeres D) drift away from each other E) are pulled toward the poles 16
A) divide by meiosis B) must immediately undergo syngamy C) will cross over D) differentiate into somatic cells E) divide by mitosis 17
A) homologous chromosomes cluster at the poles. B) identical chromatids cluster at the poles C) non-identical chromatids cluster at the poles D) separate, but identical chromatids cluster at the poles E) chiasmata cluster at the poles 18
A) 4 B) 8 C) 2 D) 1 E) 16 19
A) somatic B) haploid C) semantic D) synergic E) sematic 20
A) are about to form a synapsis B) are haploid C) are identical D) have exchanged parts E) are in a synaptonemal complex 21
A) genetic stability B) highly successful species C) stable populations D) beneficial recombination E) genetic diversity 22
A) chiasmata B) centromeres C) kinetochores D) sister chromatids E) centrioles 23
A) 4 B) 8 C) 16 D) 2 E) 1 24
A) telophase I and prophase II B) prophase I and metaphase I C) prophase II and telophase II D) telophase II and interphase E) metaphase I and anaphase I 25
A) fragmentation B) budding C) parthenogenesis D) syngamy E) binary fission 26
A) haploid-n B) somatic cells-2n C) zygote-n D) sperm cell-n E) gamete-n 27
A) prophase of mitosis. B) prophase I of meiosis. C) prophase II of meiosis. D) a, b, and c. E) b and c, but not a. 28
A) 64 B) 48 C) 32 D) 16 E) 8 29
A) 64 B) 48 C) 32 D) 16 E) 8 30
A) True B) False 31
A) True B) False 32
A) True B) False 33
A) Meiosis occurs in reproductive cells. B) Meiosis results in four haploid daughter cells. C) In meiosis, chromosomes do not exchange genetic material. D) In meiosis, homologous pairs of chromosomes are pulled apart. E) All of the statements are true. 34
A) prophase I B) prophase II C) interphase I D) interphase II E) Both a and b are correct. 35
A) as a means to keep animals within a population in close proximity B) as a means to correct damage to the double strands of the DNA C) through independent assortment, offspring have new combinations of genes that can be beneficial D) through crossing over, there is an unlimited amount of genetic variability in the population E) all of the above are explanations for the evolution of sexual reproduction
2002 McGraw-Hill Higher Education