Polyploidy speciation Notes: Definitions & Explanations PDF | Download eBooks
Study Polyploidy speciation lecture notes PDF with biology definitions and explanation to study What is Polyploidy speciation?. Study polyploidy speciation explanation with biology terms to review biology course for online degree programs.
Polyploidy speciation Definition:
A species may originate from an accident during cell division that results in extra sets of chromosomes, a condition called polyploidy.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Polyploidy speciation Notes:
By definition, polyploidy just means that a cell or organism contains more than 2 pairs of homologous chromosomes (or is more than 2n). This is more common in plants than it is in animals. Multiple plants within a population can end up with the same polyploidy number. They can then reproduce with each other but not with the original plants or any other plants. As a result, they become biologically isolated from the original group of plants and are considered a different species.
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