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GCSE: Variation and Inheritance

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135 GCSE Variation and Inheritance essays

  • Marked by Teachers essays 9
  • Peer Reviewed essays 17
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  5. 14
  1. Marked by a teacher

    Embryo Screening. The embryo screening, also referred as PGD (preimplantation genetic diagnosis), is a procedure tested on an embryo to identify any unwanted diseases that is found in the genes of the embryo.

    5 star(s)

    This very well written piece covers all the main ethical issues associated with embryo screening. A little more information about the techniques involved in the screening process might usefully have…

    • Essay length: 1722 words
    • Submitted: 10/02/2012
    • Marked by teacher: (?) Adam Roberts 01/01/1970
  2. Marked by a teacher

    Biology Case Study

    4 star(s)

    ****
    This is a very good essay looking at the technicalities of the various stages involved in getting a particular medicine licensed to go on the market. In terms of…

    • Essay length: 1976 words
    • Submitted: 14/10/2010
    • Marked by teacher: (?) Jon Borrell 08/01/2013
    • Reviewed by: (?) skatealexia 23/04/2012
  3. Marked by a teacher

    Evolution, what, and any evidence is there?

    4 star(s)

    ****
    This quite an ambitious piece of work which attempts to review published material on the evidence for evolution as well as outlining the objections of opponents. In some cases…

    • Essay length: 5177 words
    • Submitted: 17/12/2012
    • Marked by teacher: (?) Adam Roberts 09/04/2013
  4. Marked by a teacher

    Gregor Mendel

    4 star(s)

    ****
    A good overview of the life and career of Mendel which is well written and detailed. To get 5 stars more information on his study of inheritance in peas…

    • Essay length: 726 words
    • Submitted: 06/09/2012
    • Marked by teacher: (?) Adam Roberts 09/04/2013
  5. Marked by a teacher

    Evaluating the risks and benefits of GM crops.

    4 star(s)

    ****
    A strong essay with good use of research to make balanced arguments.

    Some proof-reading would clear up minor misunderstandings!…

    • Essay length: 2041 words
    • Submitted: 12/11/2003
    • Marked by teacher: (?) Jacqui Punter 22/01/2112
  6. Marked by a teacher

    Research in Genetic Engineering Should Be Halted. Discuss

    3 star(s)

    This work discusses many important issues well but interprets genetic engineering too widely. Many points are repeated and there are too many general statements not supported by examples, which is…

    • Essay length: 2923 words
    • Submitted: 25/12/2012
    • Marked by teacher: (?) Adam Roberts 09/04/2013
  7. Marked by a teacher

    Biology - Cloning. In this case study I shall explain the divisive subject of cloning, I shall endeavour to give an insight into the many factors of cloning, a detailed explanation to what it is and why we do it. I will include what the experts and the pu

    3 star(s)

    ***A soundly researched report with some thought as to the reliability of the sources of information used.
    To improve
    Try to differentiate between primary and secondary sources of information in…

    • Essay length: 1812 words
    • Submitted: 26/01/2010
    • Marked by teacher: (?) Stephanie Wells 01/03/2013
  8. Marked by a teacher

    Protein Synthesis is the process whereby DNA (deoxyribonucleic acid) codes for the production of essential proteins

    3 star(s)

    ***
    The key stages of protein synthesis are covered quite well but more specific detail generally is needed to gain a high grade at A level. …

    • Essay length: 875 words
    • Submitted: 26/08/2005
    • Marked by teacher: (?) Adam Roberts 03/01/2013
  9. Marked by a teacher

    Cloning. Should it be banned? I will explain all the different types of cloning and I will be researching the scientists evidence behind each method and evaluating whether or not it is reliable

    **
    A lot a research has been done for this essay but too much of it is just 'cut-and-pasted' in. Its is not clear that the student really understands…

    • Essay length: 3672 words
    • Submitted: 05/07/2011
    • Marked by teacher: (?) Jacqui Punter 21/02/2012
  10. Peer reviewed

    Why is sexual reproduction so common in nature?

    5 star(s)

    Very well done report.Response to the question done very well. Introduction is good, as is the main body of text which examines a range of different theories and the main…

    • Essay length: 1962 words
    • Submitted: 28/01/2005
    • Reviewed by: (?) skatealexia 11/03/2012

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