Mendel and Probablility
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| trait | distinguishing characteristics that are inherited
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| genetics | study of biological inheritance patterns
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| purebred | genetically uniform
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| cross | mating of two organisms
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| law of segregation | - organisms inherit two copies of each gene
- organisms donate one gene copy to gametes
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| genome | all of an organism's genetic makeup
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| gene | piece of DNA that provides a set of instructions for cells to release a certain protein
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| genotype | genetic makeup of a specific set of genes
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| allele | any alternative form of a gene that may occur at a certain locus
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| dominant | allele always expresses
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| homozygous | two of the same allele at a specific locus
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| recessive | allele only expressed when two copies are present
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| heterozygous | two different alleles at a specific locus
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| monohybrid cross | examine inheritance of one specific trait
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| testcross | cross between an organism with an unknown genotype and an organism with the recessive phenotype.
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| law of independent assortment | states that allele pairs separate independently of each other during gamete formation, or meiosis
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| phenotype | physical characteristics
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| crossing over | exchange of chromosome segments between homologous chromosomes during prophase I of meiosis I.
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| genetic linkage | genes located together that are inherited together
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| Punnett square | grid system that predicts all possible genotypes of a cross
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| dihybrid cross | examine inheritance of two different traits
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| probability | likelihood a particular event will happen
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Created by:
kaseywallace
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