Genetics II review 2010

Genetics II review 2010 - Quick Review of Basic Genetics...

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Quick Review of Basic Genetics for Understanding Evolution A mutation with far-reaching effects, one that could begin a new species, is called a: macromutation A trait affected by a single gene is called a: monogenetic trait
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Traits with intermediate types are often affected by one gene, or by multiple genes? They are often polygenetic traits, affected by more than one gene A gene that occurs only on the X chromosome is what kind of gene? A sex-linked gene
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If a harmful, recessive gene occurs on the X chromosome of a male, will it be evident from his phenotype? Yes, because there is no corresponding allele that could mask it.
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“A change in the allele frequency of a population over time” is the definition of what word? evolution What is the source of different alleles? mutation
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What are the sources of individual variation from generation to generation, due to sexual reproduction? 1. Mutation 2. Segregation/Independent assortment 3. Crossing over, leading to recombination 4. Linked genes
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This note was uploaded on 10/04/2011 for the course ANTH 101 taught by Professor Simmons during the Spring '06 term at South Carolina.

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Genetics II review 2010 - Quick Review of Basic Genetics...

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