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Genetics & Inheritance: the misconceptions that cost marks

2 wrong ideas students commonly carry in Genetics & Inheritance. Each page has a one-question check and a careful explanation of what's actually true.

• Are dominant alleles always the most common ones in a population?Myth: Dominant alleles are always the most common in a population.
• Does a monohybrid cross always give exactly 3 dominant : 1 recessive?Myth: A monohybrid cross with 4 offspring will give exactly 3 dominant : 1 recessive.

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