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19 Cards in this Set
- Front
- Back
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trait
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A characteristic that an organism can pass on to its offspring through its genes
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purebred
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An organism that always produces offspring with the same form of a trait as the parent
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allele
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The different forms of a gene
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recessive allele
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An allele that is masked when a dominant allele is present
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probability
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The likelihood that a particular event will occur
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phenotype
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An organism's physical appearance, or visible traits
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homozygous
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Having two identical alleles for a trait
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codominance
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A condition in which neither of the two alleles of a gene is dominant or recessive
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asexual reproduction
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Reproduction with only one parent
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heredity
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The passing of traits from parents to offspring.
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genetics
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The scientific study of heredity
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gene
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A segment of DNA on a chromosome that codes for a specific trait
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dominant allele
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An allele whose trait always shows up in the organism when the allele is present
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hybrid
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An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait
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Punnett Square
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A chart that shows all the possible combinations of alleles that can result from a genetic cross
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genotype
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An organism's genetic makeup, or allele combination
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heterozygous
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Having two different alleles for a trait
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meiosis
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The process that occurs in sex cells by which the number of chromosomes is reduced by half
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sexual reproduction
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Reproduction in which two parents give genetic material to the offspring
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