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Questions and Answers
What is the term that describes an organism having two different versions of the same gene?
What is the term that describes an organism having two different versions of the same gene?
- Dominant
- Heterozygous (correct)
- Recessive
- Homozygous
What is the result of a Monohybrid Cross?
What is the result of a Monohybrid Cross?
- The hybrid of two individuals with homozygous genotypes which result in the opposite phenotype for a certain genetic trait (correct)
- The hybrid of two individuals with heterozygous genotypes
- The hybrid of two individuals with heterozygous genotypes which result in the same phenotype for a certain genetic trait
- The hybrid of two individuals with homozygous genotypes which result in the same phenotype for a certain genetic trait
What is the study of how traits are passed from parents to offspring?
What is the study of how traits are passed from parents to offspring?
- Genotype
- Inheritance (correct)
- Independent Assortment
- Phenotype
What is the term that describes the genetic makeup of an organism?
What is the term that describes the genetic makeup of an organism?
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What is the term that describes the set of observable characteristics of an individual?
What is the term that describes the set of observable characteristics of an individual?
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Study Notes
Genetics Terminology
- Independent Assortment: Different genes separate independently from one another during reproductive cell development.
Genotype and Phenotype
- Genotype: The genetic makeup of an organism.
- Phenotype: The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
Genotype Combinations
- Homozygous: Having two identical versions of a gene.
- Heterozygous: Having two different versions of a gene.
Traits and Inheritance
- Dominant: A dominant trait or gene that will be expressed over a recessive one.
- Recessive: Refers to the relationship between an observed trait and the two inherited versions of a gene related to that trait.
- Inheritance: Certain patterns of how traits are passed from parents to offspring.
Crosses
- Monohybrid Cross: A cross between two individuals with homozygous genotypes, resulting in the opposite phenotype for a certain genetic trait.
- Dihybrid Cross: A mating experiment between two organisms that are identically hybrid for two traits.
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