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25 Cards in this Set
- Front
- Back
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Define Genetics.
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Scientific study of heredity.
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Define Fertilization.
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Process in sexual reproduction in which male and female reproductive cells join to form a new cell.
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Define True-Breeding.
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Term used to describe organisms that produce offspring identical to themselves if allowed to self-pollinate.
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Define Trait.
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Specific characteristic that varies from one individual to another.
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Define Hybrid.
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Offspring of crosses between parents with different traits.
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Define Gene.
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Sequence of DNA that codes dor a protein and thus determines a trait.
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Define Allele.
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One of a number of different froms of a gene.
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Define Segregation.
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Seperation of alleles during gamete formation.
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Define Gamete.
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Specialized cell involved in sexual reproduction.
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Define Probability.
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likelihood that a particular event will occur.
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Define Punnett Square.
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Diagram showing the gene combinations that might result from a genetic cross.
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Define Homozygous.
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Term used to refer to an organism that has two identical alleles for a particular trait.
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Define Heterozygous.
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Term used to refer to an organism that has two different alleles for the same trait.
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Define Phenotype.
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Physical characteristics of an organism.
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Define Genotype.
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Genetic makeup of an organism.
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Define Independent Assortment.
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Independent segregation of genes during the formation of gametes.
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Define Incomplete Dominance.
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Situation in which one allele is not completely dominant over another.
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Define Codominance.
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Situation in which both alleles of a gene contribute to the phenotype of the organism.
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Define Multiple Alleles.
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Three or more alleles of the same gene.
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Define Polygenic Traits.
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Traits controlled by two or more genes.
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Define Independent Assortment.
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Independent segregation of genes during the formation of gametes.
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Define Incomplete Dominance.
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Situation in which one allele is not completely dominant over another.
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Define Codominance.
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Situation in which both alleles of a gene contribute to the phenotype of the organism.
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Define Multiple Alleles.
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Three or more alleles of the same gene.
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Define Polygenic Traits.
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Traits controlled by two or more genes.
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