5 Questions
What is the term that describes an organism having two different versions of the same gene?
Heterozygous
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
What is the study of how traits are passed from parents to offspring?
Inheritance
What is the term that describes the genetic makeup of an organism?
Genotype
What is the term that describes the set of observable characteristics of an individual?
Phenotype
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.
This quiz covers the basics of genetics, including independent assortment, homozygous and heterozygous genes, dominant and recessive traits, and inheritance. Test your understanding of these fundamental concepts in biology.
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