We might think of living organisms as typically having two sets of chromosomes—-one from mom and one from dad. But there are lots of variations out there. Polyploidy, or having more than two chromosome copies, is especially ...
Evolution
Aug 29, 2016
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Most animals, including humans, have two copies of their genome—the full set of instructions needed to make every cell, tissue, and organ in the body.
Evolution
Jan 21, 2016
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(PhysOrg.com) -- The evolution and diversification of the more than 300,000 living species of flowering plants may have been "jump started" much earlier than previously calculated, a new study indicates. According to Claude ...
Evolution
Apr 10, 2011
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University of Arizona biology researchers have made a discovery that helps resolve a conundrum that has puzzled scientists for more than a century.
Biotechnology
Apr 20, 2018
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A new University of Florida study shows genomes of a recently formed plant species to be highly unstable, a phenomenon that may have far-reaching evolutionary consequences.
Biotechnology
Jan 6, 2012
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An international team of scientists, including biologists from the University of North Carolina at Chapel Hill, may have pinpointed for the first time the mechanism responsible for cell polyploidy, a state in which cells ...
Cell & Microbiology
Nov 1, 2011
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What do seedless watermelon, salmon, and strawberries all have in common? Unlike most eukaryotic multicellular organisms that have two sets of chromosomes and are diploid, these organisms are all polyploid, meaning they have ...
Biotechnology
Sep 30, 2014
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Most cells of humans, animals, plants and fungi contain two sets of chromosomes with specific chromosome numbers—for example, in humans there are two sets of 23 chromosomes as carriers of genetic information. However, polyploid ...
Cell & Microbiology
Nov 9, 2022
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Chromosome number is the most basic feature concerning the genome of a species, and it is known for about one third of higher plant species. In particular, for plants of Italy, Slovakia, and Poland, online chromosome number ...
Biotechnology
Nov 27, 2012
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In the 2019 Coulter Review, "Polyploidy, the Nucleotype, and Novelty: The Impact of Genome Doubling on the Biology of the Cell," published in the International Journal of Plant Sciences (180:1-52), Jeff J. Doyle and Jeremy ...
Biotechnology
Jan 15, 2019
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