Bio B Unit 2 Vocab (part 1)

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10 Terms

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genetics

scientific study of heredity

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trait

specific characteristic of an individual

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gene

sequence of DNA that codes for a protein and thus determines a trait; is a factor that is passed down from the parent to the offspring

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allele

one of different forms of a gene

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gamete

sex cell

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genotype

genetic makeup of an organism

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phenotype

physical characteristics of an organism

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homozygous

having two identical alleles for a particular gene (EX: TT, tt)

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heterozygous

having two different alleles for a particular gene (EX: Tt)

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selective breeding

method of breeding that allows only those organisms with desired characteristics to produce the next generation