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12 Cards in this Set
- Front
- Back
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heredity
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passing of traits from parents to offsprings
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dominate trait
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character observed when at least one dominant allele for a trait is inherited
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recessive trait
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character observed when 2 recessive alleles form a trait are inherited
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genes
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segments of dna that carry heredity instructions located on chromosomes
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alleles
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alternate forms of a gene that determines the same characters
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genotype
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the inherited combination of alleles
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phenotype
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inherited characters of an organism
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probability
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mathematical chance that an event will occur
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sex cell
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egg or sperm; a sex cell carries half the chromosomes found in other cells in the body
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homologous chromosomes
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chromosomes with matching information;each chromosomeis composed of 2 chromatids,thus a homologous pain is made of 4 chromatids
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meiosis
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cell division that produces sex cells
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sex chromosomes
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chromosomes with genes that determine the sex of offspring
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