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Science: Genetics
| Term | Definition |
|---|---|
| Genetics | Scientific study of heredity |
| Trait | A specific characteristic that varies from one individual to another |
| Hybrid | The offspring of crosses of different traits |
| Segregation | A seperation or split |
| Gamete | Sex Cells |
| Homozygous | Organisms that have two identical alleles for a particular trait |
| Heterozygous | Organisms that have two different alleles for the same trait |
| Phenotype | Physical characteristics |
| Genotype | Genetic Makeup |
| Independant assortment | When alleles segregate independantly |
| Incomplete dominance | When one allele is not completely dominant over another |
| Co-dominance | When both alleles contribute to the phenotype |
| Multiple alleles | Genes that have more than two alleles |
| Polygenic traits | Traits controlled by two or more genes |
| Haploid | Cells with only a single set of chromosomes "one set" |
| Diploid | A cell that contains both sets of homologous chromosomes in a diploid cell |
| Meiosis | Is a process of reduction division in which the number of chromosomes is cut in half through the separation of homologous chromosomes in a diploid cell |
| Tetrad | When a chromosome pairs with its corresponding homologous chromosomes to form a tetrad |