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Summary AQA ALEVEL BIOLOGY NOTES ON CLASSIFICATION USING DNA

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ALEVEL NOTES ON CLASSIFICATION USING DNA ADJUSTED TO THE AQA SPECIFICATION AND MADE FROM MARKSCHEMES









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Uploaded on
July 2, 2023
Number of pages
1
Written in
2022/2023
Type
Summary

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= Classification Using DNA or Proteins=
There multitude of been useful for
are a
technologies that have
clarifying relationships





evolutionary .




What can we
compare
between species to
investigate genetic diversity ?




1 The
frequency of measurable or observable characteristics

2 The base of DNA
sequence
3 The base sequence of mRNA

4 of DNA and mRNA
The amino acid sequence proteins encoded by


Gene
Technologies have changed how we
investigate Genetic Diversity

É of DNA has replaced from
Direct
investigation sequences inferring DNA differences measurable or


observable characteristics .




7
Investigating Variation
1- - - - - - ~ , - -
¥
→ Variation caused environmental factors
is
by genetic or .




Means
showing variation




may vary ,
.




A amount of
large standard deviation indicates a
large variation

.
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