Unit 6 Mendelian Genetics
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biologyteacher on February 21, 2010
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12 terms
Terms | Definitions |
|---|---|
 genetics | The scientific study of heredity |
| allele | the different forms of a gene |
| dominant | Mendel's name for a specific trait that appeared in the F1 generation |
| recessive | Mendel's name for a specific trait hidden or masked in the F1 generation |
| homozygous | having two identical alleles for a trait; pure |
| heterozygous | having two different alleles for a trait; hybrid |
| genotype | genetic makeup; TT, Tt, tt |
| phenotype | physical characteristics |
| law of segregation | Mendel's stating that two alleles for each trait separate during meiosis |
| hybrid | offspring of a cross between parents with different traits; heterozygous |
| law of independent assortment | Mendelian law that states a random distribution of alleles occurs during the formation of gametes |
| polyploidy | the condition in which an organism has extra sets of chromosomes |
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