Non-mendelian Inheritance

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What is Non-Mendelian Inheritance?

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Non-Mendelian Inheritance refers to patterns of inheritance that do not follow Mendel's laws of segregation and independent assortment. It includes various inheritance patterns such as codominance, incomplete dominance, and multiple alleles.

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What is Codominance?

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Codominance is a type of inheritance where both alleles in a heterozygote are fully expressed, resulting in offspring with a phenotype that is neither dominant nor recessive. Example: A flower with red and white patches.

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What is Incomplete Dominance?

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Incomplete Dominance is a type of inheritance where the phenotype of a heterozygote is intermediate between the phenotypes of the two homozygotes. Example: A red flower crossed with a white flower produces pink flowers.

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What are Multiple Alleles?

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Multiple Alleles refer to the presence of more than two alleles for a genetic trait. Example: The ABO blood group system in humans has three alleles: A, B, and O.

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What is Polygenic Inheritance?

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Polygenic Inheritance is a type of inheritance where multiple genes influence a single trait, resulting in a continuous range of phenotypes. Example: Human height is influenced by several genes.

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What is the significance of Heredity?

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Heredity is the passing of traits from parents to offspring, which is fundamental to the study of genetics and understanding how traits are inherited.

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How much DNA do you inherit from your father?

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You inherit 50% of your DNA from your father.

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What is the difference between Mendelian and Non-Mendelian Inheritance?

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Mendelian Inheritance follows specific patterns defined by Gregor Mendel, while Non-Mendelian Inheritance includes patterns that do not conform to these rules, such as codominance and incomplete dominance.

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What is an example of a trait that exhibits Codominance?

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An example of codominance is the AB blood type, where both A and B alleles are expressed.

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What is an example of a trait that exhibits Incomplete Dominance?

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An example of incomplete dominance is the flower color in snapdragons, where red and white flowers produce pink offspring.