Definition of chromatid in English:

chromatid

noun ˈkrəʊmətɪdˈkroʊməˌtɪd

Biology

Each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.
〔生〕染色单体
Example sentencesExamples
- There a somatic genetic principle was established whereby mitotic chromosome replication produces sister chromatids that are different from one another.
- Any bias in the segregation of one or the other of a pair of homologous chromosomes or chromatids between the oocyte and the polar body can have a dramatic effect on the genetic makeup of a population.
- The rate at which heterozygosity is lost depends on the extent to which chromosomes and chromatids segregate randomly during anaphase.
- One is the nonreciprocal transfer of information of both DNA strands of a donor chromatid to a chromatid of the homologous chromosome.
- A double crossover involving one linear chromatid and both chromatids of the circular chromosome generates a linear trimer.

Origin

Early 20th century: from Greek khrōma, khrōmat- 'colour' + -id².

Definition of chromatid in US English:

chromatid

nounˈkroʊməˌtɪdˈkrōməˌtid

Biology

Each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.
〔生〕染色单体
Example sentencesExamples
- One is the nonreciprocal transfer of information of both DNA strands of a donor chromatid to a chromatid of the homologous chromosome.
- Any bias in the segregation of one or the other of a pair of homologous chromosomes or chromatids between the oocyte and the polar body can have a dramatic effect on the genetic makeup of a population.
- There a somatic genetic principle was established whereby mitotic chromosome replication produces sister chromatids that are different from one another.
- The rate at which heterozygosity is lost depends on the extent to which chromosomes and chromatids segregate randomly during anaphase.
- A double crossover involving one linear chromatid and both chromatids of the circular chromosome generates a linear trimer.

Origin

Early 20th century: from Greek khrōma, khrōmat- ‘color’ + -id.

单词	chromatid
释义	Definition of chromatid in English: chromatid noun ˈkrəʊmətɪdˈkroʊməˌtɪd Biology Each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA. 〔生〕染色单体 Example sentencesExamples There a somatic genetic principle was established whereby mitotic chromosome replication produces sister chromatids that are different from one another. Any bias in the segregation of one or the other of a pair of homologous chromosomes or chromatids between the oocyte and the polar body can have a dramatic effect on the genetic makeup of a population. The rate at which heterozygosity is lost depends on the extent to which chromosomes and chromatids segregate randomly during anaphase. One is the nonreciprocal transfer of information of both DNA strands of a donor chromatid to a chromatid of the homologous chromosome. A double crossover involving one linear chromatid and both chromatids of the circular chromosome generates a linear trimer. Origin Early 20th century: from Greek khrōma, khrōmat- 'colour' + -id². Definition of chromatid in US English: chromatid nounˈkroʊməˌtɪdˈkrōməˌtid Biology Each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA. 〔生〕染色单体 Example sentencesExamples One is the nonreciprocal transfer of information of both DNA strands of a donor chromatid to a chromatid of the homologous chromosome. Any bias in the segregation of one or the other of a pair of homologous chromosomes or chromatids between the oocyte and the polar body can have a dramatic effect on the genetic makeup of a population. There a somatic genetic principle was established whereby mitotic chromosome replication produces sister chromatids that are different from one another. The rate at which heterozygosity is lost depends on the extent to which chromosomes and chromatids segregate randomly during anaphase. A double crossover involving one linear chromatid and both chromatids of the circular chromosome generates a linear trimer. Origin Early 20th century: from Greek khrōma, khrōmat- ‘color’ + -id.
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