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Mandelion Genetics
vocabulary to study
| Term | Definition |
|---|---|
| Alleles | one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome. |
| Homozygous | having two identical alleles of a particular gene or genes. |
| Heterozygous | having two different alleles of a particular gene or genes. |
| Genetics | how certain qualities or traits are passed from parents to offspring as a result of changes in DNA sequence. |
| Genes | A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. |
| Genotype | genetic makeup of an organism; in other words, it describes an organism's complete set of genes. |
| Phenotype | the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment. |
| Dominant | dominance is the phenomenon of one variant of a gene on a chromosome masking or overriding the effect of a different variant of the same gene on the other copy of the chromosome. |
| Recessive | relating to or denoting heritable characteristics controlled by genes that are expressed in offspring only when inherited from both parents. when not masked by a dominant characteristic inherited from one parent. |
| Heredity | the passing on of physical or mental characteristics genetically from one generation to another. |