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Genetics 2
Term | Definition |
---|---|
Cross-pollination | The transfer of pollen on one plant to the female part of another plant. |
Self-pollination | The transfer of pollen on one plant to the female part of the same plant. |
Expressed (to express) | Shown (to show) |
Cross | To breed two different varieties of plants to produce offspring with a mixture of traits |
True-breeding | Organisms that always pass their traits on to the next generation |
Hybrid: | The offspring of the cross between parents with different traits |
Chromosomes: | Strands of genetic material inside the cell that contain information that codes for the traits of an organism |
Gene | The location on the chromosome that contains the instructions for a particular trait |
Alleles | Different forms of a gene |
Dominant | The allele that masks the expression of the recessive allele |
Recessive | The allele whose expression is masked by the dominant allele |
Phenotype | The physical characteristics of an organism |
Genotype | The genetic makeup of an organism |
Homozygous | An organism that has two identical alleles for a particular gene |
Heterozygous | An organism that has two different alleles for the same gene |