Reproduction/Genetics
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| a type pf cell division that reduces the number of chromosomes; therefore, it is referred to as reduction division | meiosis
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| the DNA on chromosomes that is arranged in the segments that control the production of proteins | genes
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| an alternative form of a single gene passed from generation to generation | allele
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| the form of trait that appeared in the F1 generation a gene that will always show itself | dominant
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| the form of trait that was masked in the F1 generation; gene that is overshadowed | recessive
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| the organisms allele pairs | genotype
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| the observable characteristics or outward expression of an allele pair | phenotype
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| an organism that has two of the same alleles for a= a particular trait | homozygous
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| an organism that has 2 different alleles for a particular trait | heterozygous
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| states that two alleles for each trait separate during meiosis | law of segregation
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| states that random distribution of alleles occurs during gamete formation | law of independent assortment
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| the P generation | parent generation
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| used to predict the possible offspring of a cross between two known genotypes | punnet square
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| phenotypic traits arise from the interaction of multiple pairs of genes | polygenic traits
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| both alleles are expressed in the heterozygous condition | codominance
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| the heterozygous phenotype is an intermediate phenotype between the 2 homozygous phenotypes | incomplete dominance
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| a cross that involves hybrids for a single trait | monohybrid cross
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| a cross that examines simultaneous inheritance of two or more traits in the same plant | dihybrid cross
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| two cells from different parents unite to produce first cell of new division | sexual reproduction
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| generation in a breeding experiment that is successive to a mating between parents of two distinctively different but usually relatively pure genotypes | filial generation
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| some traits will be dominant over others |
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Created by:
ewoodham
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