Variation and Evolution Flashcards

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1
Q

Evolution

A

Change within a population or species in response to a change in the environment over a long period of time

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2
Q

Species

A

A group of similar organism that are capable of interbreeding with each other to produce fertile offspring

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3
Q

Variation

A

The differences between members of the same species

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4
Q

Acquired variations

A

Not controlled by genes

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5
Q

Inherited variation

A

Controlled by genes

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6
Q

Heredity

A

The passing on of characteristics or traits using genes from one generation to the next

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7
Q

Gene

A

A shot section of DNA that codes for the production of a protein

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8
Q

Gene Expression

A

The production of a particular protein using the genes code

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9
Q

Natural Selection

A

The process through which populations of living organisms adapt to their environment and change

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10
Q

Fossil

A

The preserved remains of an organism that lived long ago

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11
Q

Mutation

A

A change if the structure of the number of DNA

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12
Q

Causes of Mutation

A

Mutagens such as:
•UV rays
•Cigarette smoke

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13
Q

Types of mutation

A

•Gene mutation~albinism
•Chromosome mutation~down syndrome

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