Mendelian Genetics

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What is Mendelian Genetics?

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Mendelian Genetics is the study of how traits are inherited through generations, based on the principles established by Gregor Mendel.

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What is a dominant trait?

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A dominant trait is a genetic trait that is expressed in the phenotype even when only one copy of the allele is present.

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What is a recessive trait?

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A recessive trait is a genetic trait that is only expressed in the phenotype when two copies of the allele are present.

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Define genotype.

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Genotype is the allele/genetic makeup of an organism.

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Define phenotype.

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Phenotype is the physical expression or characteristics of a trait in an organism.

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What is a gene?

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A gene is a segment of DNA that codes for a particular protein, which leads to a specific trait.

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What is an allele?

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An allele is a variant form of a gene that can produce different traits.

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What does codominance mean?

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Codominance is a genetic scenario where both alleles in a heterozygote are fully expressed, resulting in a phenotype that is neither dominant nor recessive.

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What is a Punnett square?

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A Punnett square is a diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles.

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What is the significance of the F1 generation?

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The F1 generation is the first filial generation, which is the result of a cross between two parental (P) generations.