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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 | Definition, Process, Stages, Facts | Britannica
    Meiosis, also called reduction division, is a specialized type of cell division in germ cells that consists of two successive nuclear divisions, producing four genetically distinct haploid cells (gametes), each with half the number of chromosomes of the original diploid 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: 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 - 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
  • Overview of the Stages of Meiosis - ThoughtCo
    Meiosis occurs in eukaryotic organisms that reproduce sexually This includes plants and animals Meiosis is a two-part cell division process that produces sex cells with one half the number of chromosomes as the parent cell There are two stages or phases of meiosis: meiosis I and meiosis II
  • Meiosis - Stages - TeachMePhysiology
    Meiosis refers to the specialised form of cell division that produces gametes (sperm and egg cells) It consists of two successive divisions, producing four non-identical haploid daughter cells – each containing a single copy of each chromosome
  • Biology 2e, Genetics, Meiosis and Sexual Reproduction, The Process of . . .
    In meiosis, the starting nucleus is always diploid and the daughter nuclei that result are haploid To achieve this reduction in chromosome number, meiosis consists of one round of chromosome replication followed by two rounds of nuclear division





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