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33 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Diagram used by biologists to predict the probable outcome of a cross.
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Punnett square
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Punnett square
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The trait that is not expressed in F1 generation after crossing.
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Recessive trait
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Recessive trait
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Process by which a plant pollinates itself.
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Self-pollination
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Self-pollination
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A trait that is determined by a gene found on the X chromosome.
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Sex-linked trait
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Sex-linked trait
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Condition caused by a mutant allele that produces a defective form of the protein hemoglobin.
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Sickle cell anemia
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Sickle cell anemia
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Displaying only one form of a particular trait in offspring.
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True-breeding
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True-breeding
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Law stating that pairs of genes separate independently of one another in meiosis.
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Law of independent assortment
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Law of independent assortment
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Genetic disorder in which an individual lacks an enzyme that converts the amino acid phenylalanine into the amino acid tyrosine.
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Phenylketonuria (PKU)
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Phenylketonuria (PKU)
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An alternative form of a gene.
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Allele
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Allele
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Condition in which both alleles for a gene are expressed when present.
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Codominance
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Codominance
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A genetic phenomenon in which a trait is controlled by several genes and therefore exhibits a variety of phenotypes.
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Continuous variation
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Continuous variation
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Transfer of pollen from the male structures of one plant to the females structures of a different plant of the same species.
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Cross-pollination
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Cross-pollination
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A cross that involves two pairs of contrasting traits.
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Dihybrid cross
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Dihybrid cross
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Trait that is expressed when its allele is homozygous or heterozygous.
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Dominant trait
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Dominant trait
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The offspring from a cross of two varieties.
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F1 generation
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F1 generation
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The offspring from crosses among individuals of the F1 generation.
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F2 generation
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F2 generation
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Harmful effect,such as sickle cell anemia,produced by mutated genes.
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Genetic disorder
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Genetic disorder
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Study of heredity.
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Genetics
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Genetics
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Genetic constitution of an organism as indicated by its set of alleles.
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Genotype
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Genotype
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Component of rad blood cells that binds with and carries oxygen through the body.
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Hemoglobin
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Hemoglobin
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Genetic disorder that impairs the blood's ability to clot and can cause excessive bleeding.
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Hemophillia
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Hemophillia
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Transmission of genetic traits from parent to offspring.
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Heredity
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Heredity
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Refers to a pair of genes, or an individual, with two different alleles for a trait.
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Heterozygous
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Heterozygous
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Refers to a pair of genes, or an individual, with two identical alleles for a trait.
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Homozygous
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Homozygous
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Condition in which a trait is intermediate between two parents.
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Incomplete dominance
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Incomplete dominance
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Law stating that pairs of genes separate in meiosis and each gamete receives one gene of a pair.
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Law of segregation
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Law of segregation
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Cross involving one pair of contrasting traits.
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Monohybrid cross
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Monohybrid cross
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Having more than two alleles( versions of the gene) for a genetic trait.
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Multiple alleles
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Multiple alleles
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Change in the DNA of gene or chromosome.
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Mutation
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Mutation
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Family history of traits recorded over generation.
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Pedigree
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Pedigree
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(Parental generation) plants that displayed only one form of a particular trait.
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P generation
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P generation
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Observable characteristics of an organism.
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Phenotype
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Phenotype
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The likelihood that a specific event will occur.
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Probability
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Probability
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