1) Scientists isolate cells in various phases of the cell cycle. They isolate a group of cells that have 1.5 timesmore DNA than G1 phase cells. What is the most likely part of the cell cycle from which these cells wereisolated?A) in the G2 phase of the cell cycle.B) between the G1 and S phases in the cell cycleC) in the late M phase of the cell cycleD) in the S phase of the cell cycle2) Which of the following statements is true regarding animal cell cytokinesis when compared to plant cellcytokinesis?A) The contractile filaments found in plant cells are structures composed of carbohydrates; the cleavagefurrow in animal cells is composed of contractile proteins.B) Plant cells divide after metaphase but before anaphase; animal cells divide after anaphase.C) Animal cells form a cleavage furrow while plant cells deposit vesicles containing cell wall building blockson the metaphase plateD) In animal cells, a cell membrane separates the two daughter cells; the structural proteins of plant cellsseparate the two cells3) Which statement describes correctly the difference between sexual and asexual reproduction?A) Asexual reproduction, but not sexual reproduction, is characteristic of only plants and fungi.B) In sexual reproduction, offspring are produced by fertilization of gametes produced by meiosis.C) In asexual reproduction, individuals transmit half of their nuclear genes to each of their offspringD) Asexual reproduction produces only haploid offspring.4) Which of the following is an appropriate description of a cell's genetic contents if it has completed meiosis IIand the second cytokinesis?A) It is genetically identical to another cell formed from the same meiosis II event.B) It has one-fourth the DNA and one-half the chromosomes as the parent cellC) It has half the amount of DNA as the cell that began meiosisD) It has half the chromosomes but twice the DNA of the parent cell.5) What is the major difference between mitosis and meiosis I in a diploid organism?A) DNA replication takes place prior to mitosis, but not before meiosis I.B) Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis II.C) Sister chromatids separate in mitosis, while homologous pairs of chromosomes separate in meiosis ID) Only meiosis I results in daughter cells that contain identical genetic information. 6) Homologous pairs of chromosomes separate from one another at the metaphase plate of a cell at:A) metaphase I of meiosis.C) anaphase I of meiosisB) metaphase of mitosisD) metaphase II of meiosis7) Which of the following statements about independent assortment or segregation is correct?A) The law of independent assortment describes the behavior of two or more genes relative to one anotherB) The law of segregation is accounted for by anaphase of mitosis.C) The law of independent assortment is accounted for by observations of prophase I of meiosis.D) The law of segregation describes the behavior of two or more genes relative to one another.8) Suppose two individuals with the genotype DdEe are mated. What fraction of the offspring are expected tobe homozygous recessive for the two traits?A) 1/64.B) 1/4C) 1/16D) 1/89) Which of the following phenotypes is an example of codominance inheritance?A) pink flowers in snapdragonsB) skin pigmentation in humans.C) white and purple flower color in peasD) the ABO blood group in humans10) If a man with type O blood marries with a woman with type AB blood, which of the following blood typescould their children possibly do not have?A) AB and OB) A, B, and OC) A, B, AB, and oD) A and B.

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