英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:


请选择你想看的字典辞典:
单词字典翻译
621545查看 621545 在百度字典中的解释百度英翻中〔查看〕
621545查看 621545 在Google字典中的解释Google英翻中〔查看〕
621545查看 621545 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • the total number of chromosomes in a normal human body cell are
    Humans have 23 pairs of chromosomes That is a total of 46 no of chromosomes The 1 to 22 pairs of a chromosome are called autosomes Humans have an additional pair of sex chromosomes called X and Y for a total of 46 chromosomes
  • How many chromosomes do people have? - MedlinePlus
    How many chromosomes do people have? In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46 Twenty-two of these pairs, called autosomes, look the same in both males and females The 23rd pair, the sex chromosomes, differ between males and females
  • Chromosome number | Definition, Haploid, Diploid | Britannica
    In sexually reproducing organisms, the number of chromosomes in the body (somatic) cells typically is diploid (2n; a pair of each chromosome), twice the haploid (1n) number found in the sex cells, or gametes The haploid number is produced during meiosis
  • What is the Standard Human Chromosome Number?
    The typical human cell contains a specific arrangement of chromosomes known as a karyotype Each normal human cell possesses 46 chromosomes, organized into 23 distinct pairs
  • Chromosome Number in Humans – Information at a Glance - BYJUS
    Human cells have 23 pairs of chromosomes – 22 pairs of autosomes (diploid) and one pair of allosomes or sex chromosomes (haploid) This makes up for a total of 46 per cell
  • What is the number of chromosomes in a normal human body cell?
    What is the number of chromosomes in a normal human body cell? The correct answer is 46 (2 pairs of 23) Key Points A normal human body cell contains 46 chromosomes, which are organized into 23 pairs
  • The number of chromosomes in normal human body cell is
    Every cell in the human body contains 23 pairs of such chromosomes; our diploid number is therefore 46, our 'haploid' number 23 Of the 23 pairs, 22 are known as autosomes Females have a pair of X chromosomes, males have an X and Y chromosome
  • Chromosome - Wikipedia
    Human cells have 23 pairs of chromosomes (22 pairs of autosomes and one pair of sex chromosomes), giving a total of 46 per cell In addition to these, human cells have many hundreds of copies of the mitochondrial genome
  • How Many Chromosomes Does Each Cell Have? - Biology Insights
    Most human cells are diploid, containing 46 chromosomes in 23 pairs Reproductive cells, however, have a different count Sperm and egg cells, known as gametes, are haploid cells, each containing only 23 single chromosomes This reduction in chromosome number occurs through meiosis
  • Number of Chromosomes: Normal Body Cell - CompleteEra
    Every **normal human body cell** (except reproductive cells) contains **46 chromosomes**—arranged in **23 pairs** These chromosomes carry your genetic blueprint, determining traits like height, eye color, and even disease risk





中文字典-英文字典  2005-2009