8th Heredity-Miller
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Created by:
strefelerk on October 4, 2007
Description:
Mrs. Miller's list is slightly different
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15 terms
Terms | Definitions |
|---|---|
 traits | characteristics that an organism can pass on to its offspring through its genes |
| heredity | the passing of traits from parents to offspring |
| genes | factors that control traits |
| alleles | different forms of a gene |
| dominant allele | an allele whose trait always shows up in the organism when the allele is present; shown as a capital letter |
| recessive allele | asn allele that is masked when a dominant allele is present; shown as a lowercase letter |
| hybrid | an organism that has two different alleles for a trait |
| probability | the likelihood that a particular event will occur |
| Punnett Square | a chart that shows all the possible combinations of alleles that can result from a genetic cross |
| phenotype | an organism's physical appearance, or visible traits |
| genotype | an organism's genetic makeup, or allele combinations |
| homozygous | having 2 identical alleles for a trait |
| heterozygous | having 2 different alleles for a trait |
| codominance | a condition in which neither of 2 alleles of a gene is dominant or recessive |
| mutations | a change in a gene or chromosome |
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