Exam 10: Meiosis and Sexual Life Cycles

For the following question(s), match the key event of meiosis with the stages listed below. I. prophase I V. prophase II II. metaphase I VI. metaphase II III. anaphase I VII. anaphase II IV. telophase I VIII. telophase II -The following question refers to the essential steps in meiosis described below. 1) formation of four new nuclei, each with half the chromosomes present in the parental nucleus 2) alignment of homologous chromosomes at the metaphase plate 3) separation of sister chromatids 4) separation of the homologs; no uncoupling of the centromere 5) synapsis; chromosomes moving to the middle of the cell in pairs Which of the steps take(s) place in both mitosis and meiosis?

Please use the following information to answer the question(s) below. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. -Which of the following describes a karyotype?

Please use the following information to answer the question(s) below. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. -If an organism is diploid and a certain gene found in the organism has 18 known alleles (variants), then any given organism of that species can/must have which of the following?

Figure 10.2 -Refer to the drawings in Figure 10.2 of a single pair of homologous chromosomes as they might appear during various stages of either mitosis or meiosis. Which diagram represents anaphase I of meiosis?

Please use the following information to answer the question(s) below. There is a group of invertebrate animals called rotifers, among which a particular group of species reproduces, as far as is known, only asexually. These rotifers, however, have survived a long evolutionary history without evidence of having been overcome by excessive mutations. -A human cell containing 22 autosomes and a Y chromosome is

Please use the following information to answer the question(s) below. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. -A triploid cell contains three sets of chromosomes. If a cell of a usually diploid species with 42 chromosomes per cell is triploid, this cell would be expected to have which of the following?

Please use the following information to answer the question(s) below. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. -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?

Please use the following information to answer the question(s) below. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. -A given organism has 46 chromosomes in its karyotype. We can therefore conclude which of the following?

Chromatids are separated from each other during which of the following processes?

Please use the following information to answer the question(s) below. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. -Which of the following descriptions correctly defines a genome?

If a cell has completed the first meiotic division and is just beginning meiosis II, which of the following statements describes the contents of this cell?

For the following question(s), match the key event of meiosis with the stages listed below. I. prophase I V. prophase II II. metaphase I VI. metaphase II III. anaphase I VII. anaphase II IV. telophase I VIII. telophase II -For a species with a haploid number of 23 chromosomes, how many different combinations of maternal and paternal chromosomes are possible for the gametes?

Please use the following information to answer the question(s) below. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. -Which of the following is an example of alternation of generations?

For the following question(s), match the key event of meiosis with the stages listed below. I. prophase I V. prophase II II. metaphase I VI. metaphase II III. anaphase I VII. anaphase II IV. telophase I VIII. telophase II -Homologous chromosomes are aligned at the equator of the spindle.

When does the synaptonemal complex disappear?

Please use the following information to answer the question(s) below. A woman who has blood type A positive has a daughter who is type O positive and a son who is type B negative. Rh positive is a trait that shows simple dominance over Rh negative and is designated by the alleles R and r, respectively. A third gene for the MN blood group has codominant alleles M and N. -Which of the following types of cells would be produced by meiosis?

Please use the following information to answer the question(s) below. There is a group of invertebrate animals called rotifers, among which a particular group of species reproduces, as far as is known, only asexually. These rotifers, however, have survived a long evolutionary history without evidence of having been overcome by excessive mutations. -If the DNA content of a diploid cell in the G1 phase of the cell cycle is represented by x, then the DNA content of the same cell at metaphase of meiosis I would be

To visualize and identify meiotic cells at metaphase I with a microscope, what would you look for?

Figure 10.2 -Refer to the drawings in Figure 10.2 of a single pair of homologous chromosomes as they might appear during various stages of either mitosis or meiosis. Which diagram(s) represent(s) anaphase II of meiosis?

Please use the following information to answer the question(s) below. There is a group of invertebrate animals called rotifers, among which a particular group of species reproduces, as far as is known, only asexually. These rotifers, however, have survived a long evolutionary history without evidence of having been overcome by excessive mutations. -Homologous chromosomes move toward opposite poles of a dividing cell during