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Genetics Pt 2 (Inheritance (Genotypes = Genetic makeup of an…
Genetics Pt 2
Inheritance
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Codominance - When both alleles present in the genotype contribute to the phenotype EG. Blood type AB
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Sex linkage - Linked genes are on sex chromosomes - specific characteristics are more likely to be inherited.
- Found on X chromosome, male has more chance as XY
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Chi Squared test: Discrete variation, Large sample size, absolute numbers, not percentages, no data values are null, p>0.05 = not significant
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Populations
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Allele frequency - The frequency with which a specific allele occurs for that gene within a population or species
Hardy-weinberg = p + q = 1, so P^2 + 2PQ + Q^2 = 1
P = Dominant, Q = Recessive
Assuming: -Large Population, -No Migration or Immigration, -No Mutations and Random Mating
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