摘要
归纳分析了目前关于有性生殖概念含糊、理解不同的状况 ,提出了生殖阶段概念。认为有性生殖作为生活史中的一个生殖阶段 ,应指配子产生至结合这一阶段 。
Up to now,the concept of sexual reproduction is still vague and its application is disorderly.A new concept of reproductive stage in live cycle is presented.The sexual reproduction showld be regarded as one of the stages during which gametes are producted and united in conjugates and it shoul contain the process of the meiosis.
出处
《甘肃科学学报》
2000年第2期73-77,共5页
Journal of Gansu Sciences
关键词
有性生殖
生殖阶段
生活史
配子
合子
生物学
sexual reproduction
reproductive stage
life cycle
concept
dicussion