0 (in animals and people) the condition of being unable to produce young, or (in plants) the condition of being unable to produce plants or crops -- （动物或人的）不育；（植物的）不实
They complained about the emotional sterility of their marriages. 他们相互倾诉了对缺乏激情的婚姻的绝望。
1 the condition of being free from anything that can cause disease -- 消过毒的，灭过菌的
We propose the hypothesis that some of the same regulatory pathways may be disrupted in the hybrid male sterility of multiple species groups.
Misexpression of these genes, or genes genetically upstream of them in the regulatory pathway, may contribute to hybrid dysfunctions such as hybrid male sterility.
Comparisons of both male and female fitness components in all three genotypes might be necessary, especially in populations exhibiting morphological evidence of partial male sterility.
Inbreeding depression is assumed to be a single, fixed parameter with no differences between sterility genotypes and no evolutionary response to a changing selfing rate.
The estimates adjusted for this age-related sterility are discussed below.
This observation could suggest that these genes are downstream targets of the genetic changes that cause hybrid male sterility in these species.
In the case of sterility, or in many other circumstances, therapeutics accomplishes what nature makes impossible.
Strikingly, hybrid sterility required having a particular allele at four separate loci - a four-locus epistatic interaction !
