杂交

• Somatic cell hybridization is technique .
  体细胞杂交是一种技术。
• He could effect cross-fertilization between them .
  他可以实现它们间的杂交授粉。
• Sexual reproduction can bring about genetic commingling .
  有性繁殖可取得杂交遗传。
• Mendel called the second generation the hybrid generation .
  Mendel将第二代称为杂交代。
• The ability to hybridize is one measure of relationship .
  杂交能力是衡量亲缘关系的一个尺度。
• Varieties of roses can be crossed to vary their colors .
  不同品种的玫瑰可以杂交以改变其颜色。
• Natural crossing varies from less than 0. 5 to about 1% .
  天然杂交点自05以下至1左右不等。
• Such crosses are found to be reasonably interfertile .
  这样的杂交随时都会发现有合理的间型能育性。
• Thomas andrew knight created new apples by deliberate hybridization .
  TA奈特用人工杂交方法育成苹果新品种。
• The unsuccessful crosses involved two species belonging to different series .
  未成功的杂交组合都属非同族的两个种。