Term
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Definition
| Cross between 2 F1 dihybrids |
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Term
| Law Of Independent Assortment |
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Definition
| Gametes produced from a dihybrid cross can be a mix of what the parents' gametes were. Progeny can pass on traits that are partitioned independently as long as they're on different chromosomes |
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Term
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Definition
| Individual heterozygous for the two characters being followed in a dihybrid cross |
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Term
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Definition
| With 2 independent events, the chance that they will occur together is the product of them occurring separately |
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Term
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Definition
| One gene that has multiple effects |
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Term
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Definition
| What goes on at one locus will determine what goes on at another locus |
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Term
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Definition
When lots of genes play into one trait
Example: skin color |
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Term
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Definition
| An individual that carriers an allele but doesn't express it (heterozygous individuals) |
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Term
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Definition
| When the environment changes the phenotype of an individual, even if their genotype is the same |
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Term
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Definition
| Fruit flies studied by Thomas Morgan |
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Term
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Definition
| Phenotype most commonly observed in a population |
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Term
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Definition
| The opposite of wild type |
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Term
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Definition
| There is information on the X chromosome but not the y |
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Term
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Definition
| Offspring with combinations of traits that differ from those found in either parent due to crossing over |
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Term
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Definition
| Offspring with phenotypes and genotypes that exactly match those of the parents |
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Term
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Definition
| When an organism has more than two sets of chromosomes |
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Term
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Definition
| Group of individuals of the same species that inhabit the same area and interbreed, producing fertile offspring |
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Term
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Definition
| All alleles for all loci for all individuals in a population |
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Term
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Definition
| Looking at individuals and how they change with time with the idea that the change is in some alleles |
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Term
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Definition
| The type of birds that the Grants studied |
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Term
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Definition
| Transfer of alleles into or out of a population |
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Term
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Definition
| When an organism is endangered and we help them out |
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Term
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Definition
| A measure of the % of a population that are heterozygous for any single locus |
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Term
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Definition
| The process of getting a new species |
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Term
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Definition
| The existence of biological factors (barriers) that impede members of two species from producing viable, fertile offspring |
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Term
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Definition
| Changes over time in allele frequencies between populations |
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Term
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Definition
| Broad pattern of evolution over long spans of time |
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Term
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Definition
| The position or function of an organism in a community of plants and animals. |
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