cloning and stem cells jeopardy! waterford union high school
TRANSCRIPT
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Cloning and Stem Cells Jeopardy!
Waterford Union High School
![Page 2: Cloning and Stem Cells Jeopardy! Waterford Union High School](https://reader033.vdocuments.net/reader033/viewer/2022051001/5697bf721a28abf838c7e8bc/html5/thumbnails/2.jpg)
Rules
• Each team sends one person per turn. They cannot get help from their team
• First to “buzz” in gets 15 seconds to answer. • If the first person to buzz cannot get the answer, the
second team can buzz in. Once they buzz in, they too have 15 seconds. They also cannot get help.
• You either gain or lose points on each turn.• If no team buzzes within 10 seconds, the question
ends and the answer is given.
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EarlyExp’ts
Stem Cells
Cells & Stuff
1 Cell, 2 Cells, 4…
Endo, Ecto,Meso
This & That
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Early Experiments
• This researcher tied a salamander zygote in half to show that cells did not lose DNA as they divided.
• Spemann
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Early Experiments
• These researchers moved frog egg nuclei from one cell to another.
• Briggs & King
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Early Experiments
• This researcher moved an adult frog nuclei from the intestinal cells to an enucleated egg to create the first cloned animals.
• Gurdon
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Early Experiments
• This was the first cloned mammal• Dolly the Sheep
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Early Experiments
• It took this many attempts to create Dolly the Sheep
• 277
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Stem Cells
• This is the kind of stem cell found in your body right now
• Adult or somatic stem cells
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Stem Cells• This kind of stem cell comes from a blastocyst
• Embryonic stem cell
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Stem Cells
• This kind of stem cell is pluripotent• Embryonic Stem Cell
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Stem Cells
• This kind of stem cell has the lowest risk of rejection after transplant
• Adult stem cell
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Stem Cells
• This kind of stem cell is illegal• None
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Cells & Stuff
• This is a fertilized egg. • Zygote
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Cells & Stuff
• These are the “caps” at the end of a chromosome.
• Telomeres
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Cells & Stuff
• This is what happens to telomeres as cells age• They shorten
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Cells & Stuff
• This is necessary for a cell to start dividing after a nucleus has been inserted.
• An electric shock
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Cells & Stuff
• A young cell will have telomeres that are ______
• Longer
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1 Cell, 2 Cells, 4 Cells…
• This is a fertilized egg• Zygote
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1 Cell, 2 Cells, 4 Cells…
• This is shown below:
• A morulla
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1 Cell, 2 Cells, 4 Cells…
• This is shown below:
• Blastocyst
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1 Cell, 2 Cells, 4 Cells…
• This is found inside the blastocyst• Inner cell mass
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1 Cell, 2 Cells, 4 Cells…
• This is the source of embryonic stem cells• Inner cell mass of a blastocyst
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Endo, Ecto, Meso
• This is the source of skin cells• Ectoderm
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Endo, Ecto, Meso
• This is the source of muscle cells• Mesoderm
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Endo, Ecto, Meso
• This is the source of the lungs• Endoderm
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Endo, Ecto, Meso
• This is the source of brain cells• Ectoderm
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Endo, Ecto, Meso
• This is the source of bone cells• Mesoderm
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This & That
• This is the president that banned federal funds for new embryonic stem cell research
• President George W. Bush
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This & That
• This is the president that overturned the ban on the use of federal funds for embryonic stem cell research
• President Obama
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This & That
• This is the university at which embryonic stem cells were first isolated
• UW-Madison
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This & That
• This is the researcher who first isolated embryonic stem cells
• James Thomson
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This & That
• This is the researcher who first reverted adult cells back into embryonic stem cells.
• James Thomson