杂种优势
外观
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Time_course_imaging_of_two_maize_inbreds_LH198_and_PHG47_and_their_F1_hybrid.gif/300px-Time_course_imaging_of_two_maize_inbreds_LH198_and_PHG47_and_their_F1_hybrid.gif)
杂种优势(英语:heterosis)是一个用在遗传学和人工育种上的术语。杂种优势是指杂交种通过继承其父母的不同的优势,可能获得一个更好的生物特性(但是也可能杂交后只继承了父母各自的缺点导致变得更差)。[1]
杂种优势一般和近交衰退相对比。
相对的也有远交衰退,如杂种衰败,杂种由于生殖隔离等原因不能产生后代。
参见
[编辑]参考资料
[编辑]- ^ George Harrison Shull. What Is "Heterosis"?. Genetics. 1948, 33 (5): 439–446. PMC 1209417
. PMID 17247290.
延伸阅读
[编辑]- Bakker, Winfridus. Enhanced Hybrid Vigor Benefits Breeder and Broiler (PDF). Cobb Focus. 2006, (2). (原始内容 (PDF)存档于2008-12-17).
- Birchler JA, Auger DL, Riddle NC. In Search of the Molecular Basis of Heterosis. Plant Cell. October 2003, 15 (10): 2236–9. PMC 540269
. PMID 14523245. doi:10.1105/tpc.151030.
- NOAA Tech Memo NMFS NWFSC-30: Genetic Effects of Straying of Non-Native Hatchery Fish into Natural Populations: Inbreeding Depression and Outbreeding Depression
- Mac Gregor, S. E. Introduction: Hybrid vigor in plants and its relationship to insect pollination (PDF). Insect Pollination of Cultivated Crop Plants. Agriculture Handbook no. 496. Agricultural Research Service, U.S.D.A. 2009 [1976] [2022-05-11]. OCLC 243509268. (原始内容 (PDF)存档于2022-06-17).
- "Hybrids & Heirlooms" (页面存档备份,存于互联网档案馆)—an article from University of Illinois Extension's Home Hort Hints
- Roybal, J. (July 1, 1998). "Ranchstar (页面存档备份,存于互联网档案馆)". Beef (beefmagazine.com).
- "Sex-Links" (页面存档备份,存于互联网档案馆)—regarding poultry; at FeatherSite
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