释义 |
backcross
back·cross B0011100 (băk′krôs′, -krŏs′)tr.v. back·crossed, back·cross·ing, back·cross·es To cross (a hybrid) with one of its parents or with an individual genetically identical to one of its parents.n.1. The act of making such a cross.2. An individual resulting from such a cross.backcross (ˈbækˌkrɒs) vb (Genetics) to mate (a hybrid of the first generation) with one of its parentsn1. (Genetics) the offspring so produced2. (Genetics) the act or process of backcrossingback•cross (ˈbækˌkrɔs, -ˌkrɒs) v.t. 1. to cross (a hybrid of the first generation) with either of its parents. n. 2. an instance of such crossing. [1900–05] backcross Past participle: backcrossed Gerund: backcrossing
Imperative |
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backcross | backcross |
Present |
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I backcross | you backcross | he/she/it backcrosses | we backcross | you backcross | they backcross |
Preterite |
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I backcrossed | you backcrossed | he/she/it backcrossed | we backcrossed | you backcrossed | they backcrossed |
Present Continuous |
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I am backcrossing | you are backcrossing | he/she/it is backcrossing | we are backcrossing | you are backcrossing | they are backcrossing |
Present Perfect |
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I have backcrossed | you have backcrossed | he/she/it has backcrossed | we have backcrossed | you have backcrossed | they have backcrossed |
Past Continuous |
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I was backcrossing | you were backcrossing | he/she/it was backcrossing | we were backcrossing | you were backcrossing | they were backcrossing |
Past Perfect |
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I had backcrossed | you had backcrossed | he/she/it had backcrossed | we had backcrossed | you had backcrossed | they had backcrossed |
Future |
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I will backcross | you will backcross | he/she/it will backcross | we will backcross | you will backcross | they will backcross |
Future Perfect |
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I will have backcrossed | you will have backcrossed | he/she/it will have backcrossed | we will have backcrossed | you will have backcrossed | they will have backcrossed |
Future Continuous |
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I will be backcrossing | you will be backcrossing | he/she/it will be backcrossing | we will be backcrossing | you will be backcrossing | they will be backcrossing |
Present Perfect Continuous |
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I have been backcrossing | you have been backcrossing | he/she/it has been backcrossing | we have been backcrossing | you have been backcrossing | they have been backcrossing |
Future Perfect Continuous |
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I will have been backcrossing | you will have been backcrossing | he/she/it will have been backcrossing | we will have been backcrossing | you will have been backcrossing | they will have been backcrossing |
Past Perfect Continuous |
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I had been backcrossing | you had been backcrossing | he/she/it had been backcrossing | we had been backcrossing | you had been backcrossing | they had been backcrossing |
Conditional |
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I would backcross | you would backcross | he/she/it would backcross | we would backcross | you would backcross | they would backcross |
Past Conditional |
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I would have backcrossed | you would have backcrossed | he/she/it would have backcrossed | we would have backcrossed | you would have backcrossed | they would have backcrossed | ThesaurusVerb | 1. | backcross - mate a hybrid of the first generation with one of its parentscrossbreed, hybridise, hybridize, interbreed, cross - breed animals or plants using parents of different races and varieties; "cross a horse and a donkey"; "Mendel tried crossbreeding"; "these species do not interbreed" |
backcross
backcross[′bak‚krȯs] (genetics) A cross between an F1 heterozygote and an individual of P1 genotype. backcross
backcross [bak´cros″] in experimental genetics, union between a heterozygote of the first generation and one of its parents or an organism genetically identical to one of its parents.double backcross the mating between a double heterozygote and a homozygote.back·cross (bak'kros), 1. The mating between an animal that is homozygous at a locus of interest and an animal that is heterozygous, commonly from the same ancestral stock. 2. Synonym(s): testcrossbackcross (băk′krôs′, -krŏs′)tr.v. back·crossed, back·crossing, back·crosses To cross (a hybrid) with one of its parents or with an individual genetically identical to one of its parents.n.1. The act of making such a cross.2. An individual resulting from such a cross.back·cross (bak'kraws) Mating of an individual heterozygous at one or more loci to an individual homozygous at the same loci. Fig. 59 Backcross . Results from different parental types. backcross a genetical term describing a mating between a HYBRID organism and one of the original parental types. The results of a backcross depend upon the parental type. A backcross to the recessive parental is diagnostic (since it reveals the genotype of the hybrid) and is called a TESTCROSS. AcronymsSeeBXbackcross
Words related to backcrossverb mate a hybrid of the first generation with one of its parentsRelated Words- crossbreed
- hybridise
- hybridize
- interbreed
- cross
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