雜種優勢
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雜種優勢(英語:heterosis)是一個用在遺傳學和人工育種上的術語。雜種優勢是指雜交種通過繼承其父母的不同的優勢,可能獲得一個更好的生物特性(但是也可能雜交後只繼承了父母各自的缺點導致變得更差)。[1]
雜種優勢一般和近交衰退相對比。
相對的也有遠交衰退,如雜種衰敗,雜種由於生殖隔離等原因不能產生後代。
參見
參考資料
- ^ George Harrison Shull. What Is "Heterosis"?. Genetics. 1948, 33 (5): 439–446. PMC 1209417
. PMID 17247290.
延伸閱讀
- Bakker, Winfridus. Enhanced Hybrid Vigor Benefits Breeder and Broiler (PDF). Cobb Focus. 2006, (2). (原始內容 (PDF)存檔於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. (原始內容 (PDF)存檔於2022-06-17).
- "Hybrids & Heirlooms" (頁面存檔備份,存於網際網路檔案館)—an article from University of Illinois Extension's Home Hort Hints
- Roybal, J. (July 1, 1998). "Ranchstar (頁面存檔備份,存於網際網路檔案館)". Beef (beefmagazine.com).
- "Sex-Links" (頁面存檔備份,存於網際網路檔案館)—regarding poultry; at FeatherSite
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