单词chromosome number
un.: 染色体数
网络: 染色体的数目；染色体计数；染色体数目
染色体数
We did not know the correct human chromosome number in 1955, let alone were we able to detect a chromosomal abnormality.
我们不知道正确的人类染色体数目在1955年，更不用说了，我们能够探测到染色体异常。
The majority of the regenerated plants, are normal diploids , only a few have chromosome number or structure variations.
在再生植株中，大部分核型正常，只有少数植株具有染色体数目或结构变异。
Euploidy The normal state in which an organism"s chromosome number is an exact multiple of the haploid number characteristic of the species.
正常状态下，生物体染色体数是此种生物单倍体数目整数倍的现象被称为整倍性。
Having a chromosome number that is not a whole-number multiple of the haploid chromosome number for that species.
异倍体的染色体的数目不是单倍体物种的染色体的整倍数的
DeWoody said that this is an unusual finding, since species within a single genus often have the same chromosome number.
代物第说这是个不寻常的发现，因为在单个类中的同种物体染色体数通常是相同的。
Because meiosis, so that each type of organism from generation to generation are able to maintain the diploid chromosome number.
由于减数分裂，使每种生物代代都能够保持二倍体的染色体数目。
Meiosis, which usually precedes spore or, sometimes, gamete formation, halves the chromosome number to produce haploid gametes .
染色体数目减半通常发生在减数分裂产生孢子或往往是合子减数分裂形成单倍体配子时。
Haploid refers to the gametophyte chromosome number an individual has, but does not equate to monoploid.
单倍体是指具有配子染色体数目的个体，但并不等同于一倍体。
Preliminary report of chromosome number of Chinese Zingiberaceae.
国产姜科植物的染色体计数初报。
Chromosome number also gives an indication of polyploidy, where numbers vary by exact multiples between related species.
当多倍性现象发生时，物种的染色体数目是原来的整数倍。