Genetics Vocab
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16 terms
Terms | Definitions |
|---|---|
 genetics | the study of heredity |
| heredity | the passing of traits from parents to offspring |
| traits | characteristics |
| Gregor Mendel | founder of genetics |
| inheritance | the passing of traits by heredity |
| mutation | sudden change in gene that causes change in trait |
| gene | structures on chromosome that determines characteristics |
| chromosomes | threadlike structures made of DNA molecules that contain the genes and are found in the nucleus of a cell |
| Genotype | genetic makeup |
| Phenotype | physical characteristics of an organism |
| self pollination | the transfer of pollen from one flower to another on the same plant |
| cross pollination | the transfer of pollen from one plant to another of the same species |
| dominant | a trait that expresses itself more strongly than another |
| recessive | a trait that expresses itself less strongly than another |
| homozygous | a genotype consisting of two like genes of one trait |
| heterozygous | a genotype consisting of two different genes of one trait |
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