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单词 Miscegeny
释义

Miscegeny

中文百科

杂交 Miscegenation

(重定向自Miscegeny)

杂交(英语:hybrid)是一个涉及有性繁殖过程,是指二倍体或多倍体染色体在减数分裂后,与另一组分裂后的同源染色体重新配对,形成新的染色体称为杂交种,一般可以含有以下含义::

  • 新的染色体在一些在相同的基因片段上具有不同的等位基因;
  • 新的染色体中有一条或多条单倍体上的基因片段与其他单倍体的不同;
  • 新的染色体中有一条或多条单倍体的基因结构与其他单倍体的不同;
  • 生命体中的染色体都符合第一条,因为纯合子是难以生存的 。
英语百科

Miscegenation 杂交

(重定向自Miscegeny)
Jean Ping the Deputy Prime Minister of Gabon who has a Chinese father and a black Gabonese mother was elected as Chairperson of the Commission of the African Union on 1 February 2008.
Jerry John Rawlings, the ex-President of Ghana is the son of a Scottish father and a black Ghanaian mother.
US President Barack Obama is the son of a white American mother and a black Kenyan father.

Miscegenation (/mɪˌsɛˈnʃən/; from the Latin miscere "to mix" + genus "kind") is the mixing of different racial groups through marriage, cohabitation, sexual relations, or procreation. Because of the term's historical use in contexts that typically implied disapproval, more unambiguously neutral terms such as interracial, interethnic or cross-cultural are more common in contemporary usage.

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更新时间:2025/6/18 14:44:41