英文字典中文字典Word104.com



中文字典辭典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z   


安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • Apomixis - Wikipedia
    In botany, apomixis is asexual development of seed or embryo without fertilization However, other definitions include replacement of the seed by a plantlet or replacement of the flower by bulbils Apomictically produced offspring are genetically identical to the parent plant, except in nonrecurrent apomixis
  • Apomixis | Asexual, Vegetative, Clonal | Britannica
    Apomixis, reproduction by special generative tissues without fertilization It includes parthenogenesis in animals, in which the new individual develops from the unfertilized egg, and apogamy in certain plants, in which the generative tissue may be the sporophyte or the gametophyte
  • Apomixis – Definition, Types, Functions, Examples
    Apomixis is a form of asexual reproduction in plants where seeds or embryos are produced without fertilization, resulting in offspring that are genetic clones of the parent plant
  • Apomixis- Definition, Types, and Significance microbiologystudy
    Apomixis is a type of asexual reproduction in plants, where seeds are produced without fertilization or meiosis Hans Winkler (1908) first introduced the term apomixis for the substitution of the sexual process by asexual reproduction without nuclear fusion
  • Apomixis: what it is, types and examples - AgroCorrn
    The definition of apomixis says that it is a reproductive mechanism that allows the plant to clone itself through its seeds , instead of producing them sexually as usual It is, therefore, a form of asexual reproduction by production of apomictic seeds
  • Apomixis: What It Is, Types And Examples - Summary - Green-Ecolog. com
    The definition of apomixis says it is a reproductive mechanism that allows the plant to clone itself through its seeds, instead of producing them sexually as usual It is, therefore, a form of asexual reproduction by production of apomictic seeds
  • A Wandering Botanist: Plant Story: Common Dandelions of the World - Blogger
    Apomixis means that there are lots of lineages of dandelions that do not cross with any other lineage Should each be called a species? Not never: there will be a time when enough mutations accumulate for the plants be genetically and physically quite distinct
  • Woods Rose Plant Guide - Natural Resources Conservation Service
    Rosa is a complex and variable genus which hybridizes freely and sometimes exhibits polyploidy and or apomixis (Hitchcock et al , 1969) Hybridization may occur between Rosa woodsii and other native roses throughout its range (Hitchcock et al , 1969, Shaw et al , 2004) The genus name Rosa is an ancient Latin name for rose (St John, 1963)


















中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典