Biology A-Level
mutation comes first
What mutation comes first means in Biology A-Level, as defined for AQA.
Definition of mutation comes first
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Reference: AQA
Variation is already present, arising from mutation, and the pathogen is the selection pressure, not the source of the allele.
Topics that use mutation comes first
- Evolution may lead to speciation (A-level only) (AQA A-Level)
Related terms
- allele frequency change
- allopatric speciation
- causes of change
- common ancestry
- competition for resources
- continuous variation
- crossing over
- directional selection
Using mutation comes first in the exam
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