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Published by: The Open University | Language: English
Published by: The Open University | Language: English
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This unit explores how information contained in DNA is used, explaining the flow of information from DNA to RNA to protein. Also introduced are the concepts of transcription (as occurs between DNA and RNA) and translation.
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Description:Genes are units of inheritance that contribute to a person’s behaviour and health. In this unit you will learn what genes, DNA and chromosomes are and how they combine to make the human genome. You will also learn how the principles of inheritance work, the effect that our genetic make-up has on health, and how genetic material is passed on from generation to generation.
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Description:How do we become individuals? This unit looks at how genes and the environment interact making each of us unique. Looking at the period between conception and birth you will examine the issues of nature or nurture to see which has the greatest impact.
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Description:Hibernation is an ingenious adaptation that some animals employ to survive difficult conditions in winter. This unit examines the differences between hibernation and torpor, and discusses the characteristic signs of hibernation behaviour. It explores the triggers that bring on hibernation, and whether internal signals or external season cues are predominant. It also examines the physiological adaptations that occur in hibernating animals. This unit builds on and develops ideas introduced in the OpenLearn unit Animals at the extremes: The desert environment (S324_1).
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