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Meiosis and mitosis

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This free course, Meiosis and mitosis, looks at how units of inheritance are transmitted from one generation to the next. First you will look at what happens to the chromosomes of animals and plants during the process of sexual reproduction. Then you will examine how genes are transmitted in particular patterns from generation to generation. These two approaches combine to illustrate how the patterns of inheritance can be explained by the behaviour of chromosomes during sexual reproduction.

After studying this course, you should be able to:

  • understand that the number of chromosomes is characteristic of each species and can vary enormously between species
  • recognise that genetics is based on the concept of the gene as the unit of inheritance
  • understand that sexual reproduction always includes two distinctive processes: the production of gametes, which involves meiosis, and fertilisation.
  • understand that a particular phenotypic character is determined by the two copies of a gene that an organism possesses and these two copies are identical in a pure-breeding variety
  • understand that when organisms with contrasting characters for which they are pure-breeding are crossed, the dominant character appears in the first offspring or first filial generation and the recessive character is masked.

By: The Open University

  • Duration 8 hours
  • Updated Wednesday 16th March 2016
  • Introductory level
  • Posted under Biology
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Meiosis and mitosis

Introduction

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This course looks at how units if inheritance are transmitted from one generation to the next. First you will look at what happens to the chromosomes of animals and plants during the process of sexual reproduction. Then you will examine how genes are transmitted in particular patterns from generation to generation. These two approaches combine to illustrate how the patterns of inheritance can be explained by the behaviour of chromosomes during sexual reproduction.

This OpenLearn course provides a sample of level 1 study in Science [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]

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