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Evaluate the pros and cons of genetic engineering, artificial selection and cloning.

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  • Essay length: 2140 words
  • Submitted: 15/12/2002
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AS and A Level Genetics, Evolution & Biodiversity

The first 200 words of this essay...

Introduction: The purpose of this essay is to investigate the title and evaluate the pros and cons of

genetic engineering, artificial selection and cloning.

Terms.

A gene is what determines the inheritance of a particular characteristic, or a group of characteristics, for

a particular organism. Such characteristics determined include sex, hair colour and inherited diseases.

Alleles are different variants on a particular gene, for example, a gene which determines eye colour will

have different alleles which determine different colours.

Chromosomes are what carry genes in pairs, and are found in the nucleus of most cells.

The actual genetic material which gene are made of is deoxyribonucleic acid, which is more commonly

known as DNA. Strands of DNA are made up of combinations of four different bases: adenine, guanine,

cytosine, and thymine, which are grouped into threes to code for an amino acid. Different combinations

of these amino acids produce proteins. A single gene can be made up of hundreds or thousands of the

bases on a strand of DNA. The order of the bases controls the order in

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