The next step is to analyze each animal's DNA to separate the two species and find those with the least mixed ancestry. Then the breeding program can begin.
下一步是要分析每只龟的DNA，以区分两个不同物种，寻找血统最纯正的象龟。人工哺育计划就可以随即开始。
Until recently it had been a monopoly of the ladinos (people of European or mixed ancestry), even though some 40% of Guatemala's population of 13m is of Mayan descent.
尽管危地马拉1300万人口中大约40%是玛雅人的血统，但直到最近，危地马拉一直被拉迪诺人(ladinos欧洲人或混血人血统)所垄断。
But Pitanguy, whose patients often have mixed African, indigenous and European ancestry, stresses that aesthetic ideals vary by epoch and ethnicity.
但是病人常常有非洲人、土著人和欧洲血统的皮坦基强调，审美理想随着时代和种族而变化。
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