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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 - 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 - 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, 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 possessing half the number of chromosomes of the original cell A brief treatment of meiosis follows For further discussion, see cell: Cell division and growth
  • Meiosis: Definition, Stages, Purpose with Diagram - Science Facts
    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 Definition, Diagram, Steps, and Function - Science Notes and . . .
    Meiosis is a type of cell division that reduces the chromosome number by half (2n to n), leading to the formation of four non-identical daughter cells It is crucial for sexual reproduction in eukaryotes Meiosis involves two divisions, so it’s typically broken down into meiosis I and meiosis II
  • Meiosis: Phases, Stages, Applications with Diagram - Microbe Notes
    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
  • 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)
  • Genetics, Meiosis - StatPearls - NCBI Bookshelf
    In the gametes, a different form of cell division occurs called “meiosis ”
  • 11. 1: The Process of Meiosis - Biology LibreTexts
    In most plants and all animal species, it is typically diploid cells that undergo mitosis to form new diploid cells In contrast, meiosis consists of two nuclear divisions resulting in four nuclei that are usually partitioned into four new cells The nuclei resulting from meiosis are not genetically identical and they contain one chromosome set





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