14 terms

Third Grade: Variation of Traits

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Dominant
The form of a gene that produces its phenotype whenever present. A dominant gene hides the presence of a recessive gene when present for the same trait.
Frequency
How often something occurs over a particular amount of time or in a given sample.
Gene
Information in your cells that helps control some of your traits.
Generation
All of the people born and living at the same time.
Genotype
The combination of genes passed down from parent to child.
Identity
Who or what a person or thing is.
Inheritance
The passing of traits from parents to offspring, or children.
Phenotype
The physical traits or abilities of an organism.
Punnett Square
A diagram used to predict the possible outcomes of a genetic cross
Recessive
The form of a gene that produces its phenotype only when no dominant gene is present. A recessive gene is hidden by the presence of a dominant gene for the same trait.
Scientific Inquiry Process
A process that scientists use to explore observations and answer questions.
Scientist
A person who asks questions, makes observations, and investigates ideas in order to acquire knowledge and/or solve problems.
Traits
The physical way that genes are expressed.
Variation
A different form or version of something.