BRAINCAKESpecies
New species can be formed through the process of natural selection and evolution. A species is defined as organisms that can interbreed and form fertile offspring.
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Key terms in this lesson
- mutation
- A random change in the base sequence of DNA (a gene mutation) or in the structure or number of chromosomes (a chromosome mutation).
More in Genetics and Variation
- Epistasis
- The Hardy-Weinberg Principle
- Changes in Allele Frequencies
- Population Bottlenecks and The Founder Effect
- Types of Selection
- Allopatric Speciation
- Sympatric Speciation
- Artificial Selection
All 36 lessons in Genetics and Variation · All AQA A-level Biology topics