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| 释义 | 性状 Dark energy's true nature remains a mystery. Theoretical attempts to account for its observed properties have foundered. How this trait spread, though, turns out to be even more remarkable. Preliminary research indicates that genetic engineering approaches could be employed to enhance both these traits. Darwinists say that evolution is explained by the selection of phenotypic traits by environmental filters. Hale said genes often work in combination, and new genes may one day become involved with other genes to help the lake sturgeon create new traits needed to adapt to changes in its environment. Two hundred million years ago, an unparalleled combination developed of primitive traits, which were new in the history of evolution. By recognizing the changing characteristics of your cervical mucus, you can predict when you'll ovulate. It will also be essential to increase its resilience by protecting a wide array of life forms with unique traits, such as plants that survive drought or livestock that reproduce in harsh conditions. We even use a bacterium that is a natural genetic engineer to introduce the new genes traits sintosthe plant. The findings underscore that both individual and species characteristics can strongly shape how a group of plants evolves and diversifies. Her work, funded by Cancer Research UK, uses large amounts of statistical data to identify the traits or behaviour that put women at risk of breast cancer. In our book we review a large and varied selection of non- environmental constraints on trait transmission. After succeeding in the lab, he began a test in a greenhouse to see if the genetically modified cotton plant would survive and pass on its new trait. That is roughly what plant breeders have done in the past, painstakingly planting hundreds of varieties of a single species and discovering traits by breeding numerous generations from them. What matters is that the alterations of phenotypes that the mechanisms of trait transmission produce are random. As a single trait, successful risk-taking is universally appreciated as a sign of good genes. |
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