Genetics (A2)

Multiple Allele and Dihybrid Crosses

Multiple Allele Crosses e.g. 3 blood types: IA = Blood group A (dominant)IB = Blood group B (dominant) Io = Blood ...
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Monohybrid Inheritance

The inheritance of a characteristic controlled by a single gene Monohybrid Crosses Monohybrid Crosses show the likelihood of the different ...
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Linkage

Inheritance of Sex-linked characteristics Sex linkage refers to an allele that code for a characteristic which is located on a ...
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Hardy-Weinberg Principle

Species: a group of similar organisms that can reproduce to give fertile offspring Population: A group of organisms of the ...
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Evolution

Evolution is the change in an allele frequency over time Natural selection is one explanation of how evolution functions Selection ...
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Epistasis

The interaction of genes that are not alleles, in particular the suppression of a gene by a different gene.E.g. windows ...
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Co-dominance

Where both alleles are equally dominant Therefore, both alleles are expressed in the phenotype e.g. Snapdragon plant has one allele ...
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