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16 Cards in this Set
- Front
- Back
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Allele
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Alternative forms of a gene for each variation of a trait of an organism.
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Dominant
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Observed trait of an organism that masks the recessive form of a trait.
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Fertilization
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Fusion of male and female gametes.
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Gamete
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Male and female sex cells; sperm and eggs.
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Genetics
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Branch of biology that studies heredity.
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Genotype
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Combo of genes in an organism.
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Heterozygous
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When there are two different alleles for a trait.
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Heredity
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Passing on of characteristics from parents to offspring.
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Homozygous
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When there are two identical alleles for a trait.
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Hybrid
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Offspring formed by parents having different forms of a trait.
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Law of Independent Assortment
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Mendelian principle stating that genes for different traits are inherited independently of each other.
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Law of Segregation
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Mendelian principle explaining that because each plant has two different alleles, it can produce two different types of gametes. During fertilization, male and female gametes randomly pair to produce four combos of alleles.
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Phenotype
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Outward appearance of an organism, regardless of its genes.
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Pollination
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Transfer of male pollen grains to the pistil of a flower.
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Recessive
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Trait of an organism that can be masked by the dominant form of a trait.
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Trait
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Characteristic that is inherited; can be either dominant or recessive.
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