clicker questions by kristen curran, university of wisconsin-whitewater chapter 6: chromosomes and...
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Clicker Questionsby Kristen Curran, University of Wisconsin-Whitewater
Chapter 6: Chromosomes and Cell Division
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How might telomere length be affected in a cloned animal like “Dolly” the sheep?1. Telomeres might be longer
than normal.2. Telomeres might be shorter
than normal.3. Telomeres might be of normal
length.4. No telomeres would be present.
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In which part of the cell cycle does the cell spend most of its time?
1. Interphase2. Mitosis3. G24. DNA synthesis
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Review: If an incorrect base is placed in the DNA during replication, the mutation would be called a:
1. deletion2. insertion3. substitution4. chromosomal
breakage
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What cellular process listed below might involve mitosis?1. Wound healing2. Making insulin3. Glucose transport4. Muscle contraction
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Classroom Catalyst
Mitosis Card Game
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Which of the following processes occurs first during mitosis?1. Sister chromatids separate.2. Sister chromatids line up at
the equator of the cell.3. Chromosomes condense.4. Cytokinesis
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Put the events of mitosis listed below in the correct order.
1. 12342. 32143. 32414. 3124
1. Sister chromatids separate.2. Sister chromatids line up at
the equator of the cell.3. Chromosomes condense.4. Cytokinesis
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Why do chemotherapy and radiation affect cancer cells and normal cells?
1. Both treatments affect cells that are in G1.
2. Both treatments affect cells that are actively dividing.
3. Both treatments affect cells that have a high metabolism.
4. Both treatments affect cells that have stopped dividing.
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A human sperm contains ___ chromosomes, but when the sperm fuses with an egg, the total number of chromosomes is ____.
1. 46; 922. 15; 303. 23; 464. 23; 23
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Classroom Catalyst
Meiosis Card Game
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What is the final outcome of meiosis?
1. Four genetically identical cells
2. Four genetically non-identical cells
3. Two genetically identical cells
4. Two genetically non-identical cells
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What event or events occur during meiosis to make each resulting gamete genetically non-identical?
1. Crossing over between homologous chromosomes.
2. Alignment between pairs of homologous chromosomes can differ during Metaphase I (independent assortment).
3. Separation of sister chromatids during Anaphase II.
4. Both 1 and 2 are correct.5. All of the above.
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If an organism lives in an environment that is variable, it will most likely use _________ reproduction via the process of ___________.
1. Asexual; meiosis2. Asexual; mitosis3. Sexual; meiosis4. Sexual; mitosis
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The sex ratio (number of females vs. males) of which of the following species might be most affected by global warming?
1. Humans2. Bees3. Birds4. Turtles
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A non-disjunction is caused by a failure of chromosomes to separate properly during meiosis. Which non-disjunction listed below will cause death of the zygote in the womb?
1. Three copies of chromosome 21 (small chromosome)
2. Two copies of the X chromosome3. Two copies of the Y chromosome4. Three copies of chromosome 1
(large chromosome).