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polyploidy    
多倍性

多倍性


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  • Polyploidy - Wikipedia
    Triploid and tetraploid chromosomes are examples of polyploidy Polyploidy is a condition in which the cells of an organism have more than two paired sets of (homologous) chromosomes
  • Polyploidy | Definition, Examples, Types, Facts | Britannica
    polyploidy, the condition in which a normally diploid cell or organism acquires one or more additional sets of chromosomes In other words, the polyploid cell or organism has three or more times the haploid chromosome number
  • What Is Polyploidy and Why Is It Important in Biology?
    Polyploidy is a widespread phenomenon, particularly prevalent in the plant kingdom, where it plays a significant role in evolution and diversification It is estimated that at least 35% of current flowering plant species are recent polyploids, and over 70% of all flowering plants may be polyploid
  • Polyploidy | Learn Science at Scitable - Nature
    Polyploidy is the heritable condition of possessing more than two complete sets of chromosomes Polyploids are common among plants, as well as among certain groups of fish and amphibians
  • Polyploidy - an overview | ScienceDirect Topics
    Polyploidy is defined as the condition in which an organism has more than two complete sets of chromosomes It can occur through various mechanisms and is significant in the context of plant reproductive biology and hybridization
  • The expanding implications of polyploidy - PMC
    Polyploid cells, which contain more than two genome copies, occur throughout nature Beyond well-established roles in increasing cell size metabolic output, polyploidy can also promote nonuniform genome, transcriptome, and metabolome alterations
  • Polyploidy: A Biological Force From Cells to Ecosystems
    Polyploidy, resulting from the duplication of the entire genome of an organism or cell, greatly affects genes and genomes, cells and tissues, organisms, and even entire ecosystems
  • Polyploidy - New World Encyclopedia
    Polyploidy is the condition whereby a biological cell or organism has more than two homologous sets of chromosomes, with each set essentially coding for all the biological traits of the organism
  • Polyploidy: an evolutionary and ecological force in stressful times . . .
    In this Review, we discuss the connection between polyploidy (both auto- and allo-polyploidy) and stress, both in terms of formation and survival We emphasize current views on how polyploidy might confer an advantage when dealing with both abiotic and biotic stress
  • Polyploidy and aneuploidy | Science | Research Starters - EBSCO
    Polyploidy occurs when an organism has more than two complete sets of chromosomes, a common occurrence in plants, while aneuploidy refers to an abnormal number of chromosomes that is not an exact multiple of the haploid number, typically resulting from the addition or loss of one or a few chromosomes





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