Gregor Mendel and Basic Genetics

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What is Gregor Mendel known for?

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Gregor Mendel is known as the father of genetics for his work on inheritance patterns in pea plants.

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What is heredity?

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The passing of traits from parent to offspring.

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What do genes provide the blueprint for making?

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Proteins.

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What does Homozygous dominant mean?

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That both alleles for a gene are dominant, so the dominant form of the trait will be expressed.

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What is a trait?

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A notable feature or characteristic of an organism.

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NGSS.HS-LS3-1

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What is a genotype?

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The genetic makeup of an organism, represented by the alleles it possesses.

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What is a phenotype?

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The observable physical or biochemical characteristics of an organism, determined by its genotype.

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What is the difference between dominant and recessive alleles?

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Dominant alleles express their trait even if only one copy is present, while recessive alleles require two copies to express their trait.

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What is a Punnett square used for?

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A diagram that is used to predict the genotypes of offspring produced by two parents.

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What is the significance of a 3:1 ratio in genetics?

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It typically indicates a monohybrid cross where one trait is dominant over another.