Chapter 9 Flashcards: Genes and inheritance
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alternative forms of a gene that are inherited from parents
alleles
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the observable expression of an organism's genotype (also called "trait")
phenotype
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homo
same (homosexual: attracted to same sex)
[prefix]
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hetero
different (heterosexual: attracted to members opposite sex)
[prefix]
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genotype of an individual who has two copies of the same allele for a given trait
homozygous
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genotype of an individual who has different alleles for a given trait
heterozygous
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the allele that determines the phenotype of a heterozygote
dominant
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the heterozygote phenotype is intermediate between those of the homozygotes
incomplete dominance
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both alleles contribute expression to the phenotype
codominance
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Peter Chen