When the allele that codes for the characteristic is located on a sex chromosome (effects expected ratio)
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What is an autosome?
a chromosome that isn't sex linked
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What are autosomal genes?
genes located on the autosome
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When are autosomal genes linked?
When they are on the same autosome so will stay together in independent assortment of chromosomes (this wont happen if crossing over separates them first)
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The closer together two genes are on an autosome the more linked they are, why is this?
because they are less likely to be split up by crossing over
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What is epistasis?
When the allele of one gene masks the expression of other genes (effects expected ratio)
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