non-identical twins

Identical twins, who are descended from the same egg, are six times more likely to develop MS than non-identical twins, who come from two different eggs.

同卵双胞胎，是由同一个卵子派生出来的，他们患MS的几率极有可能是异卵双胞胎的六倍。

Non-identical twins from mixed parents, of different races, less common still.

来自不同种族的混合双亲的异卵双胞胎更为少见.

Researchers from Edinburgh University studied more than 800 sets of identical and non-identical twins to learn whether genetics or upbringing has a greater effect on how successful people are in life.

爱丁堡大学的研究人员以800多对同卵双胞胎和异卵双胞胎为对象，研究了成功的人生究竟是受遗传的影响更大还是受成长的影响更大。

Studies comparing identical with non-identical twins have helped to establish the heritability of many aspects of behaviour, and examination of DNA has uncovered some of the genes responsible.

对同卵双生子和异卵双生子的研究已经揭示出许多行为的遗传性，对DNA的检测更是显示出基因的决定作用。

Both variants result in the multiple follicle growth needed for the development of non-identical twins.

这两个突变都会导致多重卵泡的生长，这是异卵双胞胎的基础条件。

Writing in the Journal of Personality, the researchers found that identical twins were twice as likely as non-identical twins to share the same personality traits, suggesting that their DNA was having the greatest impact.

正如《人格期刊》所写，研究人员发现，同卵双胞胎拥有相同性格特征的可能性是异卵双胞胎的两倍，表明他们的DNA（在决定性格特征上）起到了最重要的作用。

Non-identical twins are the result of two fertilised eggs implanting in the uterus at the same time.

非同卵双生子是两个受精卵同时在子宫内着床的结果。

They found that, on average, a pair of identical twins shared more personality traits than a pair of non-identical twins.

他们发现，一般而言，同卵双胞胎共有的性格特征比非同卵的更多。

A mother who already has non-identical twins is more likely to conceive another set of twins.

生育过非同卵双胞胎的母亲再怀上双胞胎的可能性更大。