- complex polyploid
- 复合多元体
Medical Chinese dictionary (湘雅医学词典). 2013.
complex polyploid
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Polyploid complex — A polyploid complex is a group of interrelated and interbreeding plants that also have differing levels of ploidy that can allow genetic exchanges between unrelated species.The polyploid complex was first described by E. B. Babcock and G. Ledyard … Wikipedia
Polyploid — This image shows haploid (single), diploid (double), triploid (triple), and tetraploid (quadruple) sets of chromosomes. Triploid and tetraploid chromosomes are examples of polyploidy. Polyploid is a term used to describe cells and organisms… … Wikipedia
polyploid complex — noun : a complex group of interrelated hybrids produced by the intercrossing of related autopolyploids and allopolyploids that is in some respects comparable to a taxonomic genus compare polyploid series … Useful english dictionary
polyploid series — noun : a group of related forms or species having chromosome sets that are different multiples of the same monoploid set compare polyploid complex … Useful english dictionary
evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… … Universalium
heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… … Universalium
G. Ledyard Stebbins — Infobox Person name=G. Ledyard Stebbins caption= birth date=birth date|1906|1|6|mf=y birth place=Lawrence, New York dead=dead death date=death date and age|2000|1|19|1906|1|6|mf=y death place=Davis, CaliforniaGeorge Ledyard Stebbins, Jr. (January … Wikipedia
Evolution — This article is about evolution in biology. For other uses, see Evolution (disambiguation). For a generally accessible and less technical introduction to the topic, see Introduction to evolution. Part of a series on … Wikipedia
Polyploidy — occurs in cells and organisms when there are more than two homologous sets of chromosomes.Most organisms are normally diploid; polyploidy may occur due to abnormal cell division. It is most commonly found in plants. Haploidy may also occur as a… … Wikipedia
Speciation — Part of a series on Evolutionary Biology … Wikipedia
David M. Spooner — Saltar a navegación, búsqueda David M. Spooner Nacimiento 1949 Nacio … Wikipedia Español
