Questions and Answers
What is a purebred?
The offspring of many generations that have the same traits
What is a hybrid?
An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait
What does dominant mean in genetics?
An allele whose trait always shows up in the organism when the allele is present
What is a recessive allele?
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What is codominance?
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What is incomplete dominance?
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What is a phenotype?
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What is a genotype?
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What does homozygous mean?
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Study Notes
Definitions of Terms Related to Genetics
- Purebred: Offspring resulting from many generations of organisms that consistently exhibit the same traits.
- Hybrid: An organism possessing two different alleles for a specific trait, classified as heterozygous.
- Dominant Allele: An allele whose associated trait is always expressed in the organism in the presence of at least one dominant allele.
- Recessive Allele: An allele whose associated trait is hidden or not expressed when a dominant allele is present.
- Codominance: A genetic scenario where both alleles contribute to the phenotype, allowing both traits to be visibly expressed.
- Incomplete Dominance: A genetic condition where the phenotype of offspring reflects a blend of the parental traits.
- Phenotype: The observable physical expression or characteristics of an organism, influenced by its genotype.
- Genotype: The genetic constitution or specific allele combinations of an organism.
- Homozygous: The condition of having two identical alleles for a particular trait, which can be either dominant or recessive.
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Description
This quiz focuses on the basic terms related to genetics, specifically differentiating between purebred and hybrid organisms. Each flashcard provides a definition to enhance understanding of dominant and recessive traits in genetics. Perfect for students looking to grasp key concepts in biology.