Mendelian Genetics Review

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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 allele?

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A dominant allele is an allele that expresses its trait even when only one copy is present in a heterozygous individual.

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What is a recessive allele?

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A recessive allele is an allele that only expresses its trait when two copies are present in a homozygous individual.

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What does homozygous mean?

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Homozygous refers to having two identical alleles for a particular gene, either dominant or recessive.

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What does heterozygous mean?

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Heterozygous refers to having two different alleles for a particular gene, one dominant and one recessive.

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What is a phenotype?

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A phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.

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What is a genotype?

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A genotype is the genetic constitution of an individual, representing the alleles inherited from its parents.

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What is a Punnett square?

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A Punnett square is a diagram used to predict the genetic outcomes of a cross between two individuals.

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What is the F1 generation?

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The F1 generation is the first generation of offspring produced from a cross of two parental (P) generation individuals.

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What is the F2 generation?

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The F2 generation is the second generation of offspring, produced by crossing two F1 individuals.