Download - Revision techniques – flash cards
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Revision Techniques – Flash cards
Genetic Diseases and Cloning
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Learning Objectives
• To learn a new revision technique• To practice summarising your learning
• Outcomes– To produce flash cards on a particular given topic
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Genes
How many chromosomes do we have in
our body cells?
How many chromosomes do we get from each parent?
What is a gene?
What is a chromosome?
What is a clone?
What is a dominant
gene?
What is a recessive
gene?
In which part of a cell are
chromosomes found?A gene is the basic unit of
inheritance and controls what an organism is like.
A chromosome is a long length of DNA that carries lots of genes
Chromosomes are found in the nucleus of a cell
Human beings have 46 chromosomes in their body cells
We get 23 chromosomes from each parent
A dominant gene (allele) is the one that expresses itself in an organism. It is the more “powerful” allele
A recessive gene is the “weaker” gene. It will not express itself when a dominant allele is present.
A clone is a genetically identical copy of an organism
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What are flash cards?
• A card containing key points about a particular topic, issue, subject etc.
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What do flash cards include?
• Subject/topic on one side• Bite-size chunks of information opposite
– Keywords– Definitions– Lists– For/against– Main points– Mnemonics– Colour-coding– Diagrams
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Why are flash cards useful?
• The brain works better with bite-sized chunks of information
• Force you to break down your knowledge and learning into key points
• They are easily organised• Once created, they are time-savers• Useful tool when revising in groups
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Task – Create a set of flash cards on a topic from Genetics & Cloning
• Use the resources provided to find the information you need about your topic
• Read, then summarise that information• Create flash cards about your topic• You have 20 minutes to complete this task
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Example: create a set of flash-cards on the topic of Huntington’s Disease
Your flash-cards might include information, in relation to your specific topic, about the following:– Causes– Symptoms– Types of gene– Genetic cross– Embryo testing, particularly including ethical issues
• You may be able to create a flash card that includes all of these issues, or choose a number of them to concentrate on
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Share with the group
• Circulate around each table to see what other groups have produced