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20 Cards in this Set
- Front
- Back
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the study of the inheritance of traits |
genetics |
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an inherited feature that is easily recognizable |
character |
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one of the two or more forms of a recognizable feature |
trait |
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offspring that has parents with contrasting traits |
hybrid |
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group of offspring produced by a given group of parents |
generation |
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describes an organism that always produces offspring with a given trait |
true-breeding |
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one of two or more forms of a gene that leads to a unique trait |
allele |
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term that describes an allele that is always expressed when it is present |
dominant |
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term that describes an allele that is only expresses when no dominant allele is present |
recessive |
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combination of alleles an individual has for a trait |
genotype |
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a physical trait that results from a specific combination of alleles |
phenotype |
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term that describes an individual that has two identical alleles for a trait |
homozygous |
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term that describes an individual that has two different alleles for a trait |
heterozygous |
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a chart used to predict the results of a genetic cross |
Punnett square |
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the chance that a specific event will occur |
probability |
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diagram that shows the occurrence of a trait in several generations of a family |
pedigree |
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inherited disease caused by a defect in a gene or chromosome |
genetic disorder |
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a character that is determined by several different genes |
polygenic character |
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condition in which both alleles for a gene are fully expressed |
codominance |
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term that means that traits are determined by genes that are close to each other |
linked |
