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Genetics 7th vocab
Question | Answer |
---|---|
The trait seen when at least one dominant allele for a characteristic is inherited | Dominant trait |
A trait that is seen only when two recessive alleles for the same characteristic are inherited | Recessive trait |
The combination alleles that an organism inherits | Genotype |
An organisms appearance | Phenotype |
Characteristics of an organism that are influenced by the environment | Environmental traits |
Characteristics that are passed from an organism to its offspring through genes | Inherited traits |
The process by which individuals with favorable traits survive and reproduce | Natural selection |
A diagram that shows all of the possible cominations of alleles from the parents | Punnett square |
Alternate forms of a gene that govern the same characteristics | Allele |
Having two alleles of a gene that are the same (AA, aa) | Homozgous |
Having two different alleles for a particular gene (Aa) | Heterozygous |
The process of keeping the internal environment of an organism stable by making adjustments to changes in the external environment | Homeostasis |
A messaging system that the body uses to maintain homeostasis (equilibrium) | Feedback mechanism |