Biology A-Level
inherited and non-inherited variation
What inherited and non-inherited variation means in Biology A-Level, as defined for AQA.
Definition of inherited and non-inherited variation
Check what you remember
Read the wording for your board, then hide it and explain inherited and non-inherited variation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Only genetic differences are passed on to offspring, whereas environmentally caused characteristics cannot be inherited.
Topics that use inherited and non-inherited variation
- 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 inherited and non-inherited variation in the exam
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