Mitosis and Meiosis

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Question English
Answer English

nondisjunction
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results in a new cell having too many or not enough chromosomes

What is the purpose of sexual reproduction?
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genetic variation

What results in genetic variation?
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meiosis

what does crossing over produce?
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genetic variation by producing new combination of alleles (genes)

Meiosis produces...?
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4 haploid cells

Mitosis produces...?
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2 diploid cells

What must occur before a cell can divide?
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DNA replication

What divides the cytoplasm?
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cytokinesis

What is mitosis responsible for?
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growth and development

what role does the centromere play in cellular reproduction?
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it is the area of attachment for chromatids

Which part of the cell cycle is when new cells are formed?
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mitosis

What is the end result of asexual reproduction?
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2 cells

What is the longest phase of the cell cycle?
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interphase

What results when cell division happens at a high rate?
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What results when cell division happens  in English
cancer

What is the correct order for cellular division
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Prophase, Metaphase, Anaphase, Telophase

G1, S, and G2 phase are a part of?
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interphase

Cytokinesis (def)
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the last stage, the cytoplasm splits into half forming into two cells

interphase
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consists of G1->S1->G2 phases

chromosomes line up in the center of the cell and spindle fibers attach to chromosomes from centrioles

DNA and chromosomes are copied

chromosomes unravel into chromatin to provide DNA for new cell

chromosomes condense and nucleus and centrioles move to opposite poles

chromosomes are pulled apart and sister chromatids are separated

the cell grows rapidly and replicates

replicates the rest of the organelles

cell cycle
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the never-ending process by which all cells in your body replicate

half the number of chromosomes

the full set of chromosomes

reproductive cells

a diploid, when two gametes unite together in fertilization

how eukaryotes replicate and divide; major part of the cell cycle

asexual reproduction, a process that reduces the number of chromosomes by half

fertilization
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when two gametes unite together to form a zygote

asexual reproduction
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one parent cell splits into two daughter cells that are identical to the parent cell

sexual reproduction
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two parents make one or more offspring that are genetically different than the parents


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