Biology Edexcel Revision

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  • Created by: JBaj
  • Created on: 21-07-14 12:36
What is a gene?
A gene is a short piece or strand of DNA at a particular point on a chromosome. Remember as :- It is the coding for chracteristicts
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What is a phenotype?
This is the physical characteristics that are produced such as eye colour.
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What does hetrozygous mean?
This is when there is one dominant allele and one recessive allele (Cc). This shows that the individual is a carrier
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What are the two types of variation?
Genetic Variation + Environmental Variation
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What does the first variation mean?
This is where individuals or organisms might inherit characteristics from their ancestors or parents.
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Other cards in this set

Card 2

Front

What is a phenotype?

Back

This is the physical characteristics that are produced such as eye colour.

Card 3

Front

What does hetrozygous mean?

Back

Preview of the front of card 3

Card 4

Front

What are the two types of variation?

Back

Preview of the front of card 4

Card 5

Front

What does the first variation mean?

Back

Preview of the front of card 5

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