回交（backcross）和测交(test cross)的区别 - 知乎 - 知乎专栏
网页回交（backcross）:F1代杂交种和任何一个亲本的杂交称为回交。 可以和亲本中的显性亲本或者隐性亲本中的任何一个杂交。 回交的目的主要是为了改良某一单一…
Backcrossing - Wikipedia
网页Backcrossing is a crossing of a hybrid with one of its parents or an individual genetically similar to its parent, to achieve offspring with a genetic identity closer to that of the parent. It is used in horticulture, animal breeding, and production of gene knockout organisms.
遗传学「回交」 - 知乎 - 知乎专栏
网页回交的目的是使品种引入来自非轮回亲本的少数性状，其他性状必须恢复到和轮回亲本相一致，进行回交的次数与从非轮回亲本转移的基因数有关。. 不存在基因连锁时，如果目标性状在双亲间有n 对基因差异，在不加选择的情况下，回交 r 次，纯合体的比率为 ...
Backcross | Hybridization, Inbreeding, Breeding | Britannica
网页Backcross, the mating of a hybrid organism (offspring of genetically unlike parents) with one of its parents or with an organism genetically similar to the parent. The backcross is useful in genetics studies for isolating (separating out) …
backcrossed是什么意思_backcrossed的翻译_音标_读音_用法_例 …
网页爱词霸权威在线词典,为您提供backcrossed的中文意思,backcrossed的用法讲解,backcrossed的读音,backcrossed的同义词,backcrossed的反义词,backcrossed的例句等英语服务。
backcross是什么意思_backcross的翻译_音标_读音_用法_例句_爱词 …
网页回交 子一代杂合子个体与亲本或亲本基因相同的个体的交配。. 生态学. 回交 杂种生物体与亲本或遗传上与亲本相似的生物体间的交配方式。. 爱词霸权威在线词典,为您提供backcross的中文意思,backcross的用法讲解,backcross的读音,backcross的同义词,backcross的反义词 ...
回交（back cross）-丁香实验 - biomart.cn
网页回交（back cross）. 一种杂交方法。. 将由两个亲本杂交所得的杂种子代再与两亲本中的一个进行杂交。. 这样杂交所得的后代称为“回交杂种”。. 被用来回交的那一亲本称为“轮回亲本”（recurrent parent），未被用来回交的那一亲本称为“非轮回亲本”。. 用双 ...
BACKCROSS 释义 | 柯林斯英语词典 - Collins Online Dictionary
网页1. to mate (a hybrid of the first generation) with one of its parents. 名词. 2. the offspring so produced. 3. the act or process of backcrossing. Collins English Dictionary.
Backcrossing - an overview | ScienceDirect Topics
网页Backcrossing. The backcrossing procedure is applicable to the introduction of an autosomal dominant or codominant allele. The original pair, one inbred strain which donates the genetic background (first parent or inbred partner) and one donor strain which donates the chromosomal segment (second parent), are crossed.
Backcross breeding - PubMed
网页Backcross breeding enables breeders to transfer a desired trait such as a transgene from one variety (donor parent, DP) into the favored genetic background of another (recurrent parent, RP). If the trait of interest is produced by a dominant gene, this process involves four rounds of backcrossing within seven seasons.