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Definition
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Term
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Definition
each variant of a character such as flower color |
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Definition
mating or crossing of two true-breeding varieties |
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Definition
when true-breeding plants self pollinate all of their offspring are the same variety |
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Term
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Definition
two alleles for a heritable character separate during gamete formation and end up in different gametes |
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Definition
pair of identical alleles for a character
[image] |
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Term
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Definition
two different alleles for a gene
[image] |
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Term
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Definition
physical traits; purple and white |
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Definition
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Term
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Definition
breeding of recessive homozygote with an organism of dominant phenotype but unknown genotype |
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Definition
heterozygous for one character |
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Term
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Definition
heterozygous for both characters
(YyRr)
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Term
Law of Independent Assortment |
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Definition
each pair of alleles segregates of other pairs of alleles during gamete formation |
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Term
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Definition
one allele dominates the other
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Term
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Definition
two alleles both affect the phenotype in separate, distinguishable ways |
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Definition
ex. red flowers are crossed with white flowers and make pink flowers
[image] |
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Term
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Definition
a gene @ one locus alters the phenotypic expression of a gene at a second locus
[image] |
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Term
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Definition
gene which has multiple phenotypic effects |
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Term
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Definition
characters that can not be classified on an either-or basis.
ex. SKIN PIGMENT |
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Term
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Definition
additive effect of two or more genes on a single phenotypic character |
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Definition
information about family's history for a particular trait
[image] |
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Term
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Definition
determines whether a developing fetus has Tay-Sachs disease
[image] |
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