Term
| What is Freeman's definition of the allele? |
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Definition
- A particular version of a gene.
- The "r" and "R" versions of a gene are alleles.
- The wild-type and mutant versions of a gene are also alleles. |
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Term
| What is the class definition of the allele? |
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Definition
- A particular version of a region of DNA.
- Can be a non-coding allele.
- Differences in alleles can be as little as a single base pair or as large as an insertion/deletion of many thousands of bases. |
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Term
| How do you test for hereditary disease? |
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Definition
1) Find a huge population.
2) Find obvious mutants.
3) Do specific test crosses and compare the results with your expectations. |
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Term
| When test crossing is difficult, use.. |
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Definition
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Term
| What can inbreeding lead to? |
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Definition
| Increase likelihood of homozygous recessives or X-linked trait expression. |
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Term
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Definition
| Make a representation of all chromosomes and the locations of all known genes. |
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Term
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Definition
- Crossing over is rare between genes that are close together.
- Crossing over occurs frequently between genes that are far apart. |
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Term
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Definition
| Frequency of recombinant offspring correlates directly with the distance between two genes. |
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