单语范例（未经PONS编辑处理）
Similarly, within, say, an inbred strain of mice, no genetic variation is present and every character will have a zero heritability.
en.wikipedia.org Many dogs that are bred for show and pets are inbred, in order to make them as uniform in appearance as possible.
en.wikipedia.org Later work by corn breeders produced inbred lines with sufficient vigor for practical production of a commercial hybrid in a single step, the single-cross hybrids.
en.wikipedia.org A side effect of the crater being a natural enclosure is that the lion population is significantly inbred.
en.wikipedia.org It is believed that these house finches are less resistant to the disease because they were introduced and were highly inbred.
en.wikipedia.org