Mitosis & Meiosis Jeopardy
Transcript of Mitosis & Meiosis Jeopardy
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Chromosome Structure
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Chromosome Number
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Prokaryotic Cell Division
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Eukaryotic Cell Division
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Cell Cycle
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Cytokinesis
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This molecule makes up Chromosomes
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What is DNA?
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Eukaryotic DNA coils around these proteins
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What are Histones?
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Six billion pairs of these make up DNA
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What are nucleotides?
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Control activity of specific areas of DNA
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What are Nonhistone proteins?
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Identical halves of a chromosome
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What are sister chromatids?
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Chromosome number found in human somatic cells
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What is 46?
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Last two possible chromosomes on a karyotype
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What is XX or XY (sex chromosomes)?
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Human egg and sperm with only 23 chromosomes have this chromosome number
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What is 1n or haploid?
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All the chromosomes in an organism except X and Y
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What are autosomes?
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Number of copies of each autosome found in the body cell of an organism
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What is two?
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Example of a common prokaryote
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What are bacteria?
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Characteristic that groups all Prokaryotes together
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What is no nucleus & no membrane-bound organelles?
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Type of reproduction used by bacteria
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What is asexual?
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Division of prokaryotic cells is called this
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What is binary fission?
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Comparison of daughter cells formed when a bacterial cell divides
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What is identical?
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Organelle in eukaryotes where DNA is found
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What is the nucleus?
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Division of body cells is called this
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What is mitosis?
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Cell division that occurs in the ovaries & testes
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What is Meiosis?
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Most common type of reproduction used by unicellular eukaryotes
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What is mitosis?
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Fastest method of reproduction in eukaryotes
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What is mitosis?
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The longest phase of the cell cycle
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What is interphase?
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Shortest phase of the cell cycle
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What is cytokinesis?
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Phase of the cell cycle in which the nucleus divides
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What is mitosis?
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Phase of the cell cycle when DNA is copied
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What is the S phase?
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Phase where cells exit the cell cycle and dont divide or copy DNA
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What is the Go phase?
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This part of a cell undergoes division
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What is cytokinesis?
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Cytokinesis begins during this mitotic stage
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What is telophase?
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This forms and divides animal cells
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What is a cleavage furrow?
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This forms and divides plant cells
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What is a cell plate?
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The amount of organelles a cell has immediately following cytokinesis
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What is one-half?
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Mitotic Spindle
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Division of Body Cells
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Prefixes and Suffixes
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Meiosis I
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Meiosis II
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Gametogenesis
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Mitotic phase in which the spindle begins to form
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What is prophase?
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Pair of cylindrical bodies in animal cells that forms the spindle
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What are centrioles?
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Spindle fibers are made of these structures found in the cytoplasm
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What are microtubules?
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Spindle fibers that attach to the centromere of a chromosome pair
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What are kinetochore fibers?
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Spindle fibers that extend completely across a dividing cell
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What are polar fibers?
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Another name for body cells
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What are somatic cells?
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Chromosome number found in human body cells
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What is 46 or 2n?
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Type of reproduction used by body cells
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What is asexual?
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Two examples of cells in humans that arent called body cells
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What are eggs & sperm?
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Type of cell in the body that does not undergo cell division
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What are nerve cells?
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Prefix meaning two
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What is di-?
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Suffix meaning cell
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What is cyte?
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Prefix meaning middle
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What is meta-?
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Prefix meaning the same
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What is homo-?
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Prefix meaning egg
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What is oo-?
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Phase in which DNA coils into chromosomes
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What is Prophase I?
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Two structures that disassemble at the beginning of Meiosis I
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What is the nucleolus & nuclear envelope?
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The pairing of homologous chromosomes
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What is synapsis?
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Number of chromosomes in a tetrad
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What is four?
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Exchange of genes that occurs during Meiosis I
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What is crossing-over?
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This process occurs before Meiosis I, but Not before Meiosis II
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What is copying DNA?
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Spindle fibers reform in this phase
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What is Prophase II?
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Chromosomes are found here during Metaphase I
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What is the equator?
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Organs in which Meiosis occurs
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What are the testes and ovaries?
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Chromosome number of cells at the end of Meiosis II
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What is 1n or haploid?
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Another name for reproductive cells such as the egg & sperm
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What are gametes?
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Production of sperm cells
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What is spermatogenesis?
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Number of sperm cells formed during Gametogenesis
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What is four?
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These small cells degenerate during oogenesis
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What are polar bodies?
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Chromosome number found in a human spermatid
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What is 1n = 23?
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Chromosomes with identical size, shape, & traits, but different alleles
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What are Homologs?