| 单词 | Genetic load |
| 释义 |
Genetic load
英语例句库
Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species. 摘要同型孢子蕨类的孢子体可经由同配子体自交、异配子体交配两类配育系统或以无配生殖的方式产生，异配子体交配又可分为异配子体自交和异配子体异交两种方式。
英语百科
Genetic loadGenetic load is the difference between the fitness of the theoretically optimal genotype and the fitness of the observed average genotype in a population. This means that populations with a low genetic load will tend to be healthier, have fitness that is less dispersed, and have offspring that are more likely to survive to reproduction. On the other hand, populations with a high genetic load will have a greater variance in fitness levels; furthermore, a population with a high genetic load is not likely to have as many organisms at or near the optimal fitness. Genetic load can be viewed as the probability that an organism will fail to reach its reproductive age. This is important to scientists because if genetic load gets too high the population will be in danger of going extinct because the organisms are not able to survive and reproduce. |
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