Difference between revisions of "Dominant Allele"
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+ | :[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Dominant alleles, page 51, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/0198359810/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359810&linkCode=as2&tag=nrjc-21&linkId=d768d99f1a06f7c12fab40e5aef85a55 ''Dominant alleles, pages 156-157, Gateway GCSE Biology, Oxford, OCR ''] | ||
+ | :[https://www.amazon.co.uk/gp/product/1782945660/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945660&linkCode=as2&tag=nrjc-21&linkId=83aa4500ad7759e7f401a1c5ba5df758 ''Dominant alleles, pages 70, 71, Gateway GCSE Biology; The Revision Guide, CGP, OCR ''] |
Latest revision as of 00:56, 5 December 2019
Contents
Key Stage 4
Meaning
A Dominant allele is an allele which can be expressed in the phenotype when there is only one copy of that allele.
About Dominant Alleles
- When a genotype includes one dominant allele and one recessive allele the physical appearance of the person will be based on the dominant allele.
- In a Punnett Square or Genetic Cross Diagram dominant alleles are written with a capital letter while the recessive alleles are written with a lower case letter.
References
AQA
- Dominant alleles, page 217, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Dominant alleles, page 265, GCSE Biology, CGP, AQA
- Dominant alleles, pages 36, GCSE Combined Science Trilogy 2, Hodder, AQA
- Dominant alleles/phenotypes, pages 208-212, GCSE Biology; Third Edition, Oxford University Press, AQA
Edexcel
- Dominant alleles, page 101, GCSE Biology, CGP, Edexcel
- Dominant alleles, page 28, GCSE Combined Science; The Revision Guide, CGP, Edexcel
- Dominant alleles, page 38, GCSE Biology; The Revision Guide, CGP, Edexcel
- Dominant alleles, page 46, GCSE Combined Science, Pearson Edexcel
- Dominant alleles, page 64, GCSE Biology, Pearson, Edexcel