Definition of prereduction in English:

prereduction

noun ˌpriːrɪˈdʌkʃn

1The halving of the chromosome number by the separation of homologous chromosomes at the first of the two divisions of meiosis.
2Separation of the different alleles at a particular heterozygous locus in the first division of meiosis.
3Prior chemical reduction.

Origin

Early 20th century; earliest use found in Proceedings of the Academy of Natural Sciences of Philadelphia. From pre- + reduction, after German Praereduction (E. Korschelt & K. Heider Lehrb. der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere (Allgemeiner Theil) II. vi. 586).

Definition of prereduction in US English:

prereduction

nounˌpriːrɪˈdʌkʃn

1The halving of the chromosome number by the separation of homologous chromosomes at the first of the two divisions of meiosis.
2Separation of the different alleles at a particular heterozygous locus in the first division of meiosis.
3Prior chemical reduction.

Origin

Early 20th century; earliest use found in Proceedings of the Academy of Natural Sciences of Philadelphia. From pre- + reduction, after German Praereduction (E. Korschelt& K. Heider Lehrb. der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere (Allgemeiner Theil) II. vi. 586).

单词	prereduction
释义	Definition of prereduction in English: prereduction noun ˌpriːrɪˈdʌkʃn 1The halving of the chromosome number by the separation of homologous chromosomes at the first of the two divisions of meiosis. 2Separation of the different alleles at a particular heterozygous locus in the first division of meiosis. 3Prior chemical reduction. Origin Early 20th century; earliest use found in Proceedings of the Academy of Natural Sciences of Philadelphia. From pre- + reduction, after German Praereduction (E. Korschelt & K. Heider Lehrb. der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere (Allgemeiner Theil) II. vi. 586). Definition of prereduction in US English: prereduction nounˌpriːrɪˈdʌkʃn 1The halving of the chromosome number by the separation of homologous chromosomes at the first of the two divisions of meiosis. 2Separation of the different alleles at a particular heterozygous locus in the first division of meiosis. 3Prior chemical reduction. Origin Early 20th century; earliest use found in Proceedings of the Academy of Natural Sciences of Philadelphia. From pre- + reduction, after German Praereduction (E. Korschelt& K. Heider Lehrb. der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere (Allgemeiner Theil) II. vi. 586).
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