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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
  • Meiosis - Wikipedia
    Meiosis ( maɪˈoʊsɪs ⓘ) [a] is a special type of cell division of germ cells in sexually-reproducing organisms that produces the gametes, the sperm or egg cells It involves two rounds of division that ultimately result in four cells, each with only one copy of each chromosome (haploid)
  • 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
  • Meiosis Definition, Diagram, Steps, and Function
    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 | 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: 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
  • 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)
  • Meiosis - Function, Phases and Examples - Biology Online
    Meiosis is a form of cell division in sexually reproducing organisms wherein two consecutive nuclear divisions (meiosis I and meiosis II) occur without the chromosomal replication in between, leading to the production of four haploid gametes, each containing one of every pair of homologous chromosomes (that is, with the maternal and paternal
  • Genetics, Meiosis - StatPearls - NCBI Bookshelf
    The body is made up of trillions of somatic cells with the capacity to divide into identical daughter cells facilitating organismal growth, repair, and response to the changing environment This process is called “mitosis ” In the gametes, a different form of cell division occurs called “meiosis ”
  • 11. 1: The Process of Meiosis - Biology LibreTexts
    Meiosis employs many of the same mechanisms as mitosis However, the starting nucleus is always diploid and the nuclei that result at the end of a meiotic cell division are haploid To achieve this reduction in chromosome number, meiosis consists of one round of chromosome duplication and two rounds of nuclear division





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