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单词 meiosis
释义
meiosis
noun[U]
biologyspecialized
uk
/maɪˈəʊ.sɪs/us
/maɪˈoʊ.sɪs/
thetypeofcelldivisionthathappensaspartofreproduction(= theprocessofproducingyounganimalsorplants), in which onecelldividesinto fourgametes(=reproductivecells), each with a differentmixtureofchromosomesandhalfthenumbercontainedin theoriginalcell
减数分裂（发生在有性生殖生物中的细胞分裂过程，一个细胞分为四个配子，每个拥有不同的混合染色体，一半存于原细胞中）
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mitosis
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Related word

meiotic
(Definition ofmeiosisfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

meiosis| American Dictionary

meiosis
noun[U]
us/mɑɪˈoʊ·sɪs/
biology
thetypeofcelldivisionin which onecelldividesinto fourgametes(=maleorfemalecellsthatjointoformanorganism), each with a differentmixtureofchromosomes(=cellstructures)andhalfthenumberas were in theoriginalcell
(Definition ofmeiosisfrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofmeiosis

meiosis
Meiosisin protists : recent advances and persisting problems.
From theCambridge English Corpus
The rest of the mutations were clearly generated duringmeiosisand occurred in tetrads with any progenitor alleles.
From theCambridge English Corpus
We wanted to find out whether such treatment affects the ability of the egg to complete themeiosisand to transform nuclei of spermatozoa.
From theCambridge English Corpus
Immature oocytes contained intact germinal vesicles; mature oocytes resumedmeiosisand had undergone germinal vesicle breakdown.
From theCambridge English Corpus
We conclude that this mechanism has probably already developed by the time the germ cells have become committed tomeiosis.
From theCambridge English Corpus
Our results here indicate that this factor or factors may have developed by the time the germ cells have become committed tomeiosis.
From theCambridge English Corpus
As growth is completed, transcription becomes silent, and sufficient molecules are stored in the oocytes formeiosisand full developmental competence.
From theCambridge English Corpus
Effect of prematuration,meiosisactivating sterol and enriched maturation medium on the nuclear maturation and competence to development of calf oocytes.
From theCambridge English Corpus
In less well-spread preparations it was apparent that the triploids failed inmeiosis.
From theCambridge English Corpus
This allows for comparisons to be drawn between strains that are capable or incapable of undergoingmeiosis, without the confounding effects of differences in ploidy.
From theCambridge English Corpus
Note that after a renaming of the constitutive elements, the inclusion of the recombination step makes the whole process a canonical example ofmeiosis.
From theCambridge English Corpus
Function and characteristics of repetitive calcium waves associated withmeiosis.
From theCambridge English Corpus
Resumption ofmeiosis: mechanism involved in meiotic progression and its relation with developmental competence.
From theCambridge English Corpus
As an oocyte grows, its diameter increases and the competence to completemeiosisalso is improved.
From theCambridge English Corpus
It is not understood how oocytes acquire meiotic competence during their growth phase to become competent to resume and completemeiosis.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/meiosis##
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更新时间：2025/2/10 20:13:52