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Definition
| The idea that genetic material from the two parents blends together |
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Term
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Definition
| The idea that parents pass on discrete heritable units (genes) |
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Term
| Advantages of Pea Plants for Genetic Study |
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Definition
There are many varieties with distinct heritable features
Mating of plants can be controlled
Each pea plant has stamens and carpels
Cross-pollination can be achieved |
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Term
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Definition
A heritable feature that varies among individuals.
Variations are called traits |
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Definition
| Each variant for a charcter |
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Definition
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Definition
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Definition
| Self pollination had produced only the same variety as the parent plant |
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Definition
| Mating of two different true-breeding varieties |
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Definition
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Term
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Definition
Offspring of the P generation
Only dominate trait shows up |
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Definition
Offspring of the F1 generation
3-1 ratio of dominate trait to recessive trait |
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Term
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Definition
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Term
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Definition
| Alternative versions of a gene |
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Term
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Definition
| The allele that expresses its phenotypic effect when heterozygous and homozygous |
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Term
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Definition
| The recessive phenotype, if only expressed if the individual has two copies for it |
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Term
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Definition
| The two alleles for a heritable character separate during gamete formation and end up in different gametes |
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Term
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Definition
| A pair of genes where one is dominant and one is recessive |
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Term
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Definition
| An individual inherits the same alleles for a particular gene from each parent |
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Term
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Definition
| A diagram for predicting the results of a genetic cross between individuals of known genetic makeup |
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Definition
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Definition
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Definition
| Breeding the mystery individual with a homozygous recessive individual |
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Term
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Definition
| A cross between heterozygotes |
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Term
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Definition
| Crossing two true-breeding parents differing in two characters |
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Term
| Law of Independent Assortment |
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Definition
| Each pair of alleles segregates independently of each other pair of alleles during gamete formation |
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Term
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Definition
| Phenotype of heterozygots and dominate homozygotes are identical |
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Term
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Definition
| Phenotype of the F1 hybrid is somehwere between the phenotypes of the two parents |
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Definition
| Dominant alleles effect the phenotype in separate distinguishable ways |
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Term
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Definition
| Characters that vary in the population along a continuum, indicate polygenic inheritance |
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Term
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Definition
| Occurs when one characteristic is controlled by two or more genes |
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