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20 Cards in this Set
- Front
- Back
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True breeding |
Referring to plants that produce offspring of the same variety when they self pollinate |
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P generation |
The parent individuals from which offspring are derived in studies of inheritance |
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F1 generation |
The first filial, or hybrid, Offspring in a series of genetic crosses |
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F2 generation |
Offspring resulting from interbreeding of the hybrid F1 series |
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Allele |
Any of the alternative versions of a gene that produce distinguishable phenotype effects |
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Law of segregation |
Mendel's first law, stating that two alleles in a pair segregate into different gametes during gamete formation |
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Homozygous |
Having two identical alleles for a given Gene |
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Heterozygous |
Having two different alleles for a given Gene |
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Phenotype |
The physical and physiological traits of an organism, which are determined by its genetic makeup |
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Genotype |
The genetic makeup, or sets of alleles, of an organism |
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Test cross |
Breeding an organism of an unknown genotype with a homozygous recessive individual to determine the unknown genotype |
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Monohybrid |
An organism that is heterozygous with respect to a single Gene of Interest |
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Dihybrid |
An organism that is heterozygous for respect to two genes of Interest |
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Law of Independent Assortment |
Mendel's second law, stating that each pair of alleles segregate, or sorts, independently of each other pair during gamete formation |
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Incomplete dominance |
The situation in which the phenotype of heterozygotes is intermediate between the phenotype of individuals homozygous for either allele |
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Codominance |
The situation in which the phenotypes of both alleles are exhibited in the heterozygote between both alleles affect the phenotype, in separate, distinguishable Ways |
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Pleiotropy |
The ability of a single Gene to have multiple effects |
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Epistasis |
The type of Gene interaction in which one gene Alters the phenotype effects of another Gene that is independently inherited |
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Polygenic inheritance |
An additive effect of two or more genes in a single phenotypic character |
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Carrier |
In genetics, an individual who is heterozygous at a given genetic Locus, with one normal allele and one recessive allele |
