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14 Cards in this Set
- Front
- Back
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trait
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features that an organism inherits from its parents
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gene
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part of a DNA code on a chromosome
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genotype
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an organisms genetic makeup
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phenotype
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a combination of genetic makeup and the environment's effect on that makeup
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genetics
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study of passing traits from parent to offspring
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allele
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different forms of a gene
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dominant
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trait that is expressed when one alleles for a trait are present in the genotype
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recessive
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trait that is expressed when both of them for a trait are present in the genotype
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punnett square
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chart that helps you understand and make genetic productions
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evolution
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change in genetics in a species over time.
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natural selection
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when organisms with more desirable traits reproduce faster than other organisms, and the better adapted organisms dominate the population of the species
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mutation
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when DNA changes result in new alleles
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adaptive radiation
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production of several species from one ancestral species
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extinction
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when the last individual of a species dies
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