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bivalve    音标拼音: [b'ɑɪv,ælv]
n. 双壳贝

双壳贝

bivalve
adj 1: used of mollusks having two shells (as clams etc.) [synonym:
{bivalve}, {bivalved}] [ant: {univalve}]
n 1: marine or freshwater mollusks having a soft body with
platelike gills enclosed within two shells hinged together
[synonym: {bivalve}, {pelecypod}, {lamellibranch}]


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  • 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
  • Biology Mitosis, Meiosis, Reproduction Flashcards | Quizlet
    A type of cell division that reduces the number of chromosomes (reduction division) It occurs in the reproductive structures of organisms and reduces the chromosome number by half through the separation of homologous chromosomes
  • 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’
  • Why Does Meiosis Produce Cells With Half the Chromosomes?
    Meiosis is a specialized form of cell division fundamental to organisms that reproduce sexually Its primary outcome is the production of cells containing half the number of chromosomes found in the original parent cell This reduction is essential for sexual reproduction, ensuring genetic stability across generations
  • Meiosis Definition, Diagram, Steps, and Function
    In biology, meiosis is the process where a cell replicates DNA once but divides twice, producing four cells that have half the genetic information of the original cell
  • Haploid Cells: Gametes and Spores - ThoughtCo
    In microbiology, a haploid cell is the result of a diploid cell replicating and dividing twice through meiosis Haploid means "half " Each daughter cell produced from this division is haploid, meaning that it contains half the number of chromosomes as its parent cell
  • Meiosis I - Reductional Cell Division - GeeksforGeeks
    Meiosis is a specialized form of cell division that reduces the chromosome number by half, creating four genetically diverse haploid cells from an original diploid cell
  • Cell Division: Two Ways to Split
    Meiosis produces four unique cells, each with half the chromosomes of the parent cell The new cells participate in fertilization, restoring the chromosome number in the offspring
  • Haploid: Condition, Examples and FAQs
    Haploid cells have half the usual number of chromosomes They are produced during the process of meiosis, a specialized type of cell division that occurs in the formation of gametes (sperm and egg cells) in eukaryotic organisms Learn about haploid in detail here
  • Meiosis – Boundless Anatomy and Physiology
    Before sexual reproduction can occur, the number of chromosomes in a diploid cell must decrease by half Meiosis produces cells with half the number of chromosomes as the original cell





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