minitest tomorrow meiosis review answers. question # 1 match the following. f individual chromosomes...
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M I N I T E S T T O M O R R O W
MEIOSIS REVIEW ANSWERS
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QUESTION # 1
• Match the following.• F Individual chromosomes line up at the equator• A Homologous chromosomes pair up; crossing-over
occurs• G Centromere splits; sister chromatids move to
opposite poles• E Chromosomes condense; spindle fibers form• D Cell divides forming 2 daughter cells• B Homologous chromosome pairs line up at the
equator• C One chromosome from each pair moves to each pole• H Cell divides forming 4 haploid daughter cells
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QUESTION #2
•What (specifically) is being made during meiosis?•Gametes• Sperm• Eggs
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QUESTION #3
•How many times does the cell divide during meiosis?• Two times
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QUESTION #4
• If an organism has 16 chromosomes in one of its body cells, how many chromosomes would its sex cells have?• 8
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QUESTION #5
•What is crossing over? Draw an example to show crossing-over.•When pieces of chromosomes cross over each other, resulting in a new combination of genes
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QUESTION #6
•When does crossing-over occur during Meiosis?• Prophase I
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QUESTION #7
•Gametes are haploid/diploid.
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QUESTION #8
•What does haploid mean?•One of each chromosome
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QUESTION #9
•What does diploid mean?• Two of each chromosome
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QUESTION #10
•What is a tetrad and when does it form?• A tetrad is four sister chromatids side-by-side• It forms during prophase I
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QUESTION #11
•How many sperm are produced per parent cell during meiosis?• Four
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QUESTION #12
•How many eggs are produced per parent cell during meiosis?•One
•Why is this different from the number of sperm produced?• The cells divide unevenly
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QUESTION #13
•Why does the chromosome number need to be cut in half during meiosis?• So that when the sperm and egg combine, the zygote will have the correct number of chromosomes
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QUESTION # 14
Mitosis Meiosis
Type of CellRegular body
cellsSex cells only
# of divisions 1 2
# of daughter
cells2 4
diploid/haploid
Diploid (identical to
parent)
Haploid (different from
parent)
purposeGrowth &
repairreproduction
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QUESTION #15
•Know the Comparing Mitosis and Meiosis worksheet information.