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14 Cards in this Set
- Front
- Back
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Character |
Heritable feature that varies among individuals |
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Trait |
Each variant for a character |
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True-breeding |
Organisms that produce offspring of the same variety over many generations of self pollination |
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Hybridization |
Mating of two true-breeding varieties |
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Law of segregation |
States that two alleles for a heritable character sperate from each other during gamete formations and end up in different gametes |
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Monohybrid |
Parents are heterozygous for one particular character |
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Dihybrids |
Individuals heterozygous for two characters |
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Law of assortment |
Two or more genes assort independently during gamete formation |
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Pleiotropy |
Genes having multiple phenotypic effects |
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Epistatis |
Phenotypic expression of a gene at one locus alters that of a gene at a second locus |
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Quantitative characters |
A heritable character that varies continuously over a range rather than in an either-or fashion |
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Polygenic inheritance |
An addictive effect of two or more genes on a single phenotypic character |
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Amniocentesis |
Can determine whether the developing fetus has tay-sachs disease |
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Chorionic villus sampling |
Sample of the fetal potion of placenta to detect certain genetic and congenital defects in the fetus |
