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Heredity Terms Vocab
Term | Definition |
---|---|
Heredity | The passing of genetic traits from parent to offspring |
Dominant Trait | The trait observed in the first generation when parents that have different traits are bred |
Recessive Trait | A trait that reappears in the second generation after disappearing in the first generation when parents with different traits are bred |
Genes | One set of instructions for an inherited trait |
Allele | One of the alternative forms of a gene that governs a characteristic, such as hair |
Phenotype | An organismâs appearance or other detectable characteristic |
Genotype | The entire genetic makeup of an organism; also the combination of genes for one or more specific traits |
Probability | The likelihood that a possible future event will occur in any given instance of the event |
Homologous Chromosomes | Chromosomes that have the same sequence of genes and the same structure |
Meiosis | A process in cell division durning which the number of chromosomes decrease to half the original number by two divisions of the nucleus, which results in the production of sex cells |
Sex Chromosome | One of the pair of chromosomes that determine the sex of a individual |
Pedigree | A diagram thatâs shows the occurrence of genetic trait in several generations of a family |