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cross-fertilization |
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cross-fertilization: see fertilization Cross-fertilization indicates fusion of a sperm of one hermaphroditic plant or animal with an ovum of another, as distinguished from self-fertilization, in which ovum and sperm of the same individual are fused. ..... Click the link for more information. . cross-fertilizationFusion of male and female sex cells from different individuals of the same species. Cross-fertilization is necessary in animal and plant species that have male and female organs on separate individuals. Methods of cross-fertilization are diverse in animals. Among most species that breed in water, the males and females shed their sex cells into the water, where fertilization takes place outside the body. Among land breeders, fertilization is internal, with the sperm being introduced into the body of the female. By recombining genetic material from two parents, cross-fertilization maintains a greater range of variability for natural selection to act on, thereby increasing the capacity of a species to adapt to environmental change. See also self-fertilization. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The recent architecture of both countries also strives to embody a powerful and authentic sense of regional identity, so Aires Mateus' forthcoming experiments in Dublin promise to be a fascinating cross-fertilisation. His new work on "secret sharers" continues to look at the whole while at the same time focussing on a subgenre of Italian comedy that he finds throughout the peninsula and adduces as evidence of a far greater cross-fertilisation than is commonly acknowledged. SandbergTrygg is included in AU-System's overall business model where the cross-fertilisation between technical expertise and marketing competence adds value for our clients. |
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cross-fertilisation
