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meiosis    音标拼音: [mɑɪ'osəs]
n. [细胞核的] 减数分裂

[细胞核的] 减数分裂

meiosis
n 1: (genetics) cell division that produces reproductive cells
in sexually reproducing organisms; the nucleus divides into
four nuclei each containing half the chromosome number
(leading to gametes in animals and spores in plants) [synonym:
{meiosis}, {miosis}, {reduction division}]
2: understatement for rhetorical effect (especially when
expressing an affirmative by negating its contrary); "saying
`I was not a little upset' when you mean `I was very upset'
is an example of litotes" [synonym: {litotes}, {meiosis}]


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  • Meiosis - Wikipedia
    Meiosis occurs in eukaryotic life cycles involving sexual reproduction, consisting of the cyclical process of growth and development by mitotic cell division, production of gametes by meiosis and fertilization
  • Meiosis: Definition, Stages, Purpose with Diagram
    Meiosis is a cell division process where a single (parent) cell divides twice to produce four independent (daughter) cells, each having half the chromosomes as the original cell The term ‘meiosis’ came from the Greek word ‘meiosis’, meaning ‘lessening’
  • Meiosis | Cell division | Biology (article) | Khan Academy
    Meiosis, on the other hand, is used for just one purpose in the human body: the production of gametes —sex cells, or sperm and eggs Its goal is to make daughter cells with exactly half as many chromosomes as the starting cell
  • Meiosis | Definition, Process, Stages, Diagram | Britannica
    Meiosis, division of a germ cell involving two fissions of the nucleus and giving rise to four gametes, or sex cells, each with half the number of chromosomes of the original cell
  • Meiosis - Definition, Stages, Function and Purpose | Biology Dictionary
    Meiosis is the process in eukaryotic, sexually-reproducing animals that reduces the number of chromosomes in a cell before reproduction Many organisms package these cells into gametes, such as egg and sperm The gametes can then meet, during reproduction, and fuse to create a new zygote
  • Meiosis - National Human Genome Research Institute
    Meiosis is a type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes (the sex cells, or egg and sperm) In humans, body (or somatic) cells are diploid, containing two sets of chromosomes (one from each parent)
  • What Is Meiosis and Why Is It Important? - sciencenewstoday. org
    At its core, meiosis is a type of cell division But unlike mitosis, which produces two identical daughter cells and is responsible for growth and repair, meiosis is about diversity
  • 9. 2: Meiosis - Biology LibreTexts
    Interphase Meiosis is preceded by an interphase consisting of the G 1, S, and G 2 phases, which are nearly identical to the phases preceding mitosis The G 1 phase is the first phase of interphase and is focused on cell growth In the S phase, the DNA of the chromosomes is replicated Finally, in the G 2 phase, the cell undergoes the final preparations for meiosis During DNA duplication of
  • Meiosis: Phases, Stages, Applications with Diagram
    Meiosis is a type of cell division in sexually reproducing eukaryotes, resulting in four daughter cells (gametes), each of which has half the number of chromosomes as compared to the original diploid parent cell





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