如今实验室里也正发生类似的事情,科学家们已经造出了没有父亲的健康能育的老鼠。
Similar things are now happening in the laboratory, with scientists creating healthy, fertile mice with no fathers.
高剂量的育亨宾能引起强烈的幻觉。
很多美国人发现,尚未生育的女人能轻易地找医生做结扎手术,有时候甚至已育有子女的女人也可以做手术。
Many women in the U.S. have found that it's difficult if not impossible to find a doctor who will perform a tubal ligation if the woman has not already had children (and sometimes even if she has).
这样的杂交随时都会发现有合理的间型能育性。
根系性状中的根鲜重、根干重、根总条数等性状的遗传以加性为主,遗传力高,能稳定遗传,其转育及早代选择有效;
The total root number, the fresh root weight, the dry root weight were mainly controlled by the additive effect, and had higher stable heritabilities.
根系性状中的根鲜重、根干重、根总条数等性状的遗传以加性为主,遗传力高,能稳定遗传,其转育及早代选择有效;
The total root number, the fresh root weight, the dry root weight were mainly controlled by the additive effect, and had higher stable heritabilities.
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