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A Species

AQA AS-level BiologyBiodiversityLesson 1 of 33

A species is a basic unit of classification. All members of thew same species are capable of breeding to produce fertile offspring.

In sexual reproduction any combination of the alleles of the parents can be passed on to the offspring.

Definition:

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Key terms in this lesson

allele
One of the different versions of a gene, arising by mutation, that occupy the same locus on homologous chromosomes.
binomial nomenclature
The system of naming organisms using two Latin names, the genus and the species.
classification
The organisation of living organisms into groups based on their similarities and differences.

More in Biodiversity

All 33 lessons in Biodiversity · All AQA AS-level Biology topics