AQA A2 Biology Unit 4 - Chapter 8 Inheritance and Selection
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Created by Charlotte Lloyd
almost 9 years ago
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Define:
a) Genotype
b) Phenotype
Define:
a) Gene
b) Allele
What is co-dominance?
What is a sex-linked trait?
Why are sex-linked diseases more common in men?
What is haemophilia?
What is meant by the term 'multiple alleles'?
Define:
a) gene pool
b) Allelic frequency
What does the Hardy-Weinberg principle predict?
What five conditions must be met for the Hardy-Weinberg principle to be true?
Explain how 'advantageous allele' frequency increases over time:
What are two types of selection?
What causes directional selection?
What occurs during directional selection?
What occurs as a result of directional selection?
What causes stabilising selection?
What occurs during stabilising selection?
What happens as a result of stabilising selection?
What is speciation?
When does speciation occur? - Give an example
Describe how speciation occurs:
