Tetraploid molluscs are of low viability but high fecundity and can produce larger gametes. Crosses between tetraploids and diploids can result in 100% triploids.
四倍体贝类存活力较低，但具有较高的繁殖力，能产生较大的生殖细胞，并能与二倍体杂交产生100%的三倍体。
The researchers suggest this animal survived because of high levels of fecundity and ecological flexibility and continuing low levels of isolation by distance.
研究者指出，驯鹿存活了下来是因为高产、高的生态环境适应性以及持续的由距离引起低隔离程度。
High exposed radar radiation might cause the poor fecundity.
高暴露雷达辐射下可能是导致生育力下降的原因。
应用推荐