Basic Genetics
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Created by:
tutwiler89 on March 7, 2010
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23 terms
Terms | Definitions |
|---|---|
 Pistil | Female part of flower |
| Pistil's contents | Style, Stigma, Ovary |
| Stamen | Male part of flower |
| Stamen's contents | Anther, Filament |
| Anther | Produces and releases pollen |
| Ovary | Contains egg |
| pollination | Pollen sticks to the stigma of pistil |
| Fertilization | Egg and Sperm Unite |
| Reasons pea plant was ideal | Distinct traits, many offspring, reproduces quickly, small and easy to grow |
| true breeding | Organisms produce offspring identical to themselves when allowed to self pollinate |
| Trait | A specific characteristic that varies from one individual to another |
| Alleles | Different forms of a gene |
| P generation | The parental generation |
| F1 Generation | Offspring of the parental generation (first Fillial) |
| Dominant trait | The trait that will appear in the offspring and hide the recessive allele |
| Recessive trait | The trait that must be contributed by both parents |
| Principle of dominance | If the dominant gene is present in the genotype then the organism will display the dominant phenotype. |
| Principle of segregation | In any trait, the pair of alleles of each parent separate and only one allele passes from each parent on to an offspring |
| Principle of Independent assortment | Genes for different traits can seperate independently during the formation of gametes |
| Homozygous (Pure bred) | Identical alleles for a trait |
| Heterozygous (hybrid) | Different alleles for a trait |
| Genotype | The genetic makeup of an organism |
| Phenotype | The physical makeup of an organism |
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