Term
| if self-crossed, produce progeny only with the parental phenotype |
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Definition
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Term
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Definition
| recombine the parental traits |
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Term
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Definition
| located on the same chromosome and are usually inherited together |
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Term
| tightly linked genes recombine at a frequency close to |
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Definition
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Term
| weakly linked genes recombine at frequencies approaching |
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Definition
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Term
| linked genes can recombine at frequencies between __ and __ to produce |
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Definition
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Term
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Definition
| if the phenotype of the heterozygote is an intermediate of the phenotypes of the homozygotes |
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Term
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Definition
| multiple alleles exist for a given gene and more than one of them is dominant |
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Term
| when two dominant alleles are present, the phenotype is the result of the expression of |
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Definition
| both dominant alleles simultaneously |
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Term
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Definition
| percentage of individuals in the population carrying the allele who actually express the phenotype associated with it |
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Term
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Definition
| the degree to which the phenotype associated with the genotype is expressed in individuals who carry the allele |
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Term
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Definition
| penetrance and expressivity |
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Definition
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Term
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Definition
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Term
| sex chromosomes pair during ___ and segregate during ____ |
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Definition
| meiosis; first meiotic division |
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Term
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Definition
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Term
| sex linked--affected males will pass the gene to |
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Definition
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Term
| failure of homologous chromosomes to separate properly or sister chromatids to separate properly |
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Definition
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Term
| nondisjunction can occur in |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| fragment of a chromosome may join with its homologous chromosome |
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Term
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Definition
| fragment that broke off may join with a nonhomologous chromosome |
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Term
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Definition
| broken off fragment rejoins original chromosome in reverse position |
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Term
| if a trait skips a generation it is |
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Definition
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Term
| sex linked will be obvious because |
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Definition
| MANY MANY MANY more males will be affeced |
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Term
| equation for number of genetically different gametes |
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Definition
| 2^n (n= number of heterozygous genes) |
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Term
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Definition
| gene ratios and allelic frequencies remain constant through the generations in a non-evolving population |
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Term
| criteria for hardy-weinberg |
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Definition
1. random mating
2. large population
3. no migration in or out
4. lake of mutation
5. no inbreeding |
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