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4VariacionEvolucion2b copy.pdf - Instituto de Ecología

4VariacionEvolucion2b copy.pdf - Instituto de Ecología

4VariacionEvolucion2b copy.pdf - Instituto de Ecología

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Genoma y herramientas genéticas!!Los números cromosómicos haploi<strong>de</strong>s en laCucurbitaceae va <strong>de</strong> 7 a 24 cromosomas, siendo n= 12 elnúmero prevalente (Beevy y Kuriachan, 1996).!!La tribu Cucurbiteae tiene una poliploidíafija, con n = 20 (Sicana; Mercado y Lira,1994; Cucurbita; Samuel et al., 1995). !!Para el clado LST, Luffa tiene una n =13, Hodgsonia n = 9,Trichosanthes n = 11, Gymnopetalum n = 12, y en Sicyeaen = 12, Echinopepon o n = 16 Cyclanthera, Echinocystis. !El chayote, Sechium spp., existen reportes <strong>de</strong> 2n <strong>de</strong> 22 a28 cromosomas!

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