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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The creation of genetically identical offspring by a single parent, without the participation of sperm and egg, is called A) regeneration. B) sexual reproduction. C) spontaneous generation. D) asexual reproduction. 2) Which of the following statements regarding sexual and asexual reproduction is true? A) Only offspring from asexual reproduction inherit traits from two parents. B) Sexual reproduction is more likely to increase genetic variation than is asexual reproduction. C) Sexual reproduction typically includes the development of unfertilized eggs. D) Cell division only occurs after sexual reproduction. 3) Strictly speaking, the phrase "like begets like" refers to A) all forms of reproduction. B) asexual reproduction only. C) production of gametes from a premeiotic cell. D) sexual reproduction only. 4) Asexual reproduction requires ________ individual(s). A) 0 B) 1 C) 3 1)
5) With the exception of identical twins, siblings who have the same two biological parents are likely to look similar, but not identical, to each other because they have A) identical chromosomes, but different genes. B) the same combination of traits, but different genes. C) a similar but not identical combination of genes. D) identical genes but different chromosomes. 6) Which of the following statements regarding cell division is false? A) Cell division is common in eukaryotes but rare in prokaryotes. B) Cell division is the basis of both sexual and asexual reproduction. C) Cell division is necessary for development to occur. D) Cell division can reproduce an entire organism. 7) Which of the following statements regarding prokaryotes is false? A) Prokaryotic cells are generally smaller and simpler than eukaryotic cells. B) Prokaryotic chromosomes are more complex than those of eukaryotes. C) Most prokaryotes reproduce by binary fission. D) In prokaryotes, daughter chromosomes are separated by an active movement away from each other and the growth of a new plasma membrane between them. 8) Eukaryotic chromosomes differ from prokaryotic chromosomes in that they A) are simpler. B) are housed in a membrane-enclosed nucleus. C) include fewer proteins. D) are circular in structure. 1
9) Which of the following helps maintain the structure of chromosomes and control the activity of genes? A) ribosomes B) centromeres C) the nuclear membrane D) proteins 10) Sister chromatids are A) made only of DNA. C) found right after a cell divides.
B) joined together at a centromere. D) unique to prokaryotes.
11) Prior to mitosis, each chromosome of a eukaryotic cell consists of a pair of identical structures called A) chromatin. B) nucleoli. C) sister chromosomes. D) sister chromatids. 12) Eukaryotic cells spend most of their cell cycle in which phase? A) prophase B) telophase C) interphase 13) Which of the following occurs during interphase? A) cytokinesis B) separation of newly formed DNA to opposite ends of the cell C) a reduction in the size of the nuclear membrane D) cell growth and duplication of the chromosomes 14) The genetic material is duplicated during A) G2 . C) G1 .
B) the mitotic phase. D) the S phase.
15) The process by which the cytoplasm of a eukaryotic cell divides to produce two cells is called A) binary fission. B) mitosis. C) cytokinesis. D) telophase. 16) Looking into your microscope, you spot an unusual cell. Instead of the typical rounded cell shape, the cell has a very narrow middle separating two bulging ends. It sort of looks like the number 8! Then you realize that this cell is A) about to undergo mitosis. B) in the G1 phase of interphase. C) in the S phase of interphase. D) undergoing cytokinesis....