Complementary Base Pairing

Either of the nucleotide bases linked by a hydrogen bond on opposite strands of DNA or double-stranded RNA.

Convergent evolution is the process whereby organisms that are not closely related independently evolve similar traits as a result of having to adapt to similar environments.

Divergent evolution is the accumulation of differences between groups of the same species which can then lead to the formation of new species.

Deoxyribonucleic Acid (DNA)

A self-replicating material present in nearly all living organisms, which codes for the proteins responsible for controlling the functions and structure of the organism.

A pair of parallel helices intertwined about a common axis. This structure is primarily found to be the structure of DNA molecules.

The gradual changes found in a specific species of organism over multiple successive generations.

The transfer of genes or alleles from one population to another.

The variation in the relative frequency of differing genotypes within a small population.

The gradual change model of evolution states that organisms gradually accumulate changes at a fairly steady rate.

Any change in protein structure within an organism can be classified as a mutation.

The process through which the organism that is most adapted to the its environment or niche within that environment will thrive, while any organism competing to fill that niche that is less adapted will eventually become extinct.

A nitrogen-bearing compound with the chemical properties of a base.

A pattern wherein organisms with similar adaptations or genotypes mate with each other with far more frequency than might be expected under normal circumstances.

Punctuated Equilibrium Model

A model of evolution stating that organisms stay more or less the same for extended periods of time, then undergo sharp, drastic changes.

The formation of new and distinct species.

Sugar-Phosphate Backbone

The helices in the double helix structure of DNA, a sugar-phosphate backbone is comprised of ribose and phosphate.

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SLSBio11Evolution(TF

SLS Bio11 Evolution (TF)

Term	Definition
Complementary Base Pairing	Either of the nucleotide bases linked by a hydrogen bond on opposite strands of DNA or double-stranded RNA.
Convergent Evolution	Convergent evolution is the process whereby organisms that are not closely related independently evolve similar traits as a result of having to adapt to similar environments.
Divergent Evolution	Divergent evolution is the accumulation of differences between groups of the same species which can then lead to the formation of new species.
Deoxyribonucleic Acid (DNA)	A self-replicating material present in nearly all living organisms, which codes for the proteins responsible for controlling the functions and structure of the organism.
Double Helix	A pair of parallel helices intertwined about a common axis. This structure is primarily found to be the structure of DNA molecules.
Evolutionary Change	The gradual changes found in a specific species of organism over multiple successive generations.
Gene Flow	The transfer of genes or alleles from one population to another.
Genetic Drift	The variation in the relative frequency of differing genotypes within a small population.
Gradual Change Model	The gradual change model of evolution states that organisms gradually accumulate changes at a fairly steady rate.
Mutation	Any change in protein structure within an organism can be classified as a mutation.
Natural Selection	The process through which the organism that is most adapted to the its environment or niche within that environment will thrive, while any organism competing to fill that niche that is less adapted will eventually become extinct.
Nitrogenous Base	A nitrogen-bearing compound with the chemical properties of a base.
Non-Random Mating	A pattern wherein organisms with similar adaptations or genotypes mate with each other with far more frequency than might be expected under normal circumstances.
Punctuated Equilibrium Model	A model of evolution stating that organisms stay more or less the same for extended periods of time, then undergo sharp, drastic changes.
Speciation	The formation of new and distinct species.
Sugar-Phosphate Backbone	The helices in the double helix structure of DNA, a sugar-phosphate backbone is comprised of ribose and phosphate.

Created by: CFourie

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