Mitosis/Meiosis
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the shape of DNA? | Spiral staircase
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| Name the 4 bases found in DNA. | Adenine, Thymine, Guanine, and Cytosine
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| Adenine always pairs with ____________ in DNA. | Thymine
(Apples in the Tree)
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| Cytosine always pairs with ___________ in DNA. | Guanine
(Cars in the Garage)
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| What is the function of DNA? | It carries all our genetic information
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| In DNA, the sugar is deoxyribose. What is the sugar in RNA? | Ribose
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| DNA is double stranded. RNA is _______ stranded. | Single
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| In DNA, adenine pairs with thymine. In RNA, adenine pairs with ___________. | Uracil
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| What do we call the type of cell division where a cell makes an exact copy of itself? | Mitosis
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| Mitosis makes all the cells in our bodies except for ____________ cells. | sex (sperm and egg)
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| Human beings have _____________ chromosomes. | 46
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| DNA replication occurs during what part of the cell cycle? | Interphase
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| Has the genetic material formed an "X" yet during interphase? | NO!
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| What happens during prophase? | Chromosomes appear. Nuclear membrane dissolves.
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| What happens during metaphase? | Chromosomes line up at the center.
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| What happens during anaphase? | Chromosomes split and move to opposite ends of the cell
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| What happens during telophase? | New nuclear membranes form. Cell starts in pinch in a bit
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| What happens during cytokinesis? | Separation into 2 cells.
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| A _________________ is any change that occurs in a gene or chromosome during replication. | Mutation
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| True/False: ALL mutations are harmful. | FALSE
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| What is the name of the cell process that creates cells with 1/2 the genetic information? (sperm and egg cells) | Meiosis
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| Why is it necessary to create cells with 1/2 our genetic information? | Because we get half of our genetic info from our moms and half from our dads. That is why we resemble both parents without being a copy of either parent.
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| Who discovered DNA in 1953? | Watson and Crick
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| Where in the cell is the DNA located? | the nucleus
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| Our bodies need mitosis for | GROWTH AND REPAIR
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| How are mitosis and meiosis the same? | They both create new cells
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| How are mitosis and meiosis different? | Mitosis creates exact copies. Meiosis creates copies with 1/2 the genetic information
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Created by:
cwalczak
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