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20 Cards in this Set
- Front
- Back
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Heredity
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the process through which traits are passed from the parents to offspring
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Acquired Traits
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traits that an organism develops after it is born
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Inherited Traits
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Traits that an organism is born with, passed by heredity
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DNA (deoxyribonucleic acid)
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molecule found in the nucleus of a cell shaped like a double helix
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Chromosomes
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short thick coil of DNA
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Genes
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short segment of DNA that determines an organism's inherited traits
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Nucleotides
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The basic units of DNA
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DNA Replication
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The process in which an exact copy of a DNA moleucle is made
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Mutation
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change in the genes of an organism; Could be harmful or helpful depending upon the change
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Asexual Reproduction
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production of offspring from only one parent
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Regeneration
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asexual reproduction where part of an organism's body can re-grow
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Sexual Reproduction
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production of offspring by the union of male and female gametes
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Dominant Trait
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trait that is expressed when an organism receives genes for two different forms of a trait
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Ressessive Trait
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trait that is not expressed when an organism receives genes for two different forms of a trait
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Hybrid
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oraganism that has 2 different genes for the same trait
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Selective Breeding
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the practice of breeding plants and animals for desirable traits
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Adaptation
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a trait or characteristic that helps an organism survive in its own envieronment
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Camouflage
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adaptation where an organism blends in with its environment
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Warning Coloration
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adaptation where an organism has bright colors to warn a predator to stay away (poisonous)
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Mimicry
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adaptation where an organsim tries to look like a more threatening organism
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