Derived from two separately fertilized eggs . Used especially of fraternal twins.

二卵双胞胎是源于两个分开的受精卵的.

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B . Fraternal Twins Fetuses may be of different sex.

异卵双胞胎可能性别不同.

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Fraternal twins are biovular.

异卵双胞胎是两个卵子生成的.

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This did not hold for fraternal twins , who are only halfway similar genetically.

而这一现象在那些在遗传上只有小部分相同的异卵双生子中并不存在.

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This creates non - identical ( fraternal ) twins - who share on average 50 % of their genetic material.

这种情况创造了 非 孪生双胞胎 —— 他们共用平均50%的基因材料.

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Twins born as a result of such a pregnancy are known as fraternal twins.

这样所导致的妊娠双胞胎就叫异卵双胞胎.

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In other words, identical twins were more likely to play withthe same strategy than fraternal twins.

换句话说, 同卵双生的双胞胎比异卵双生的双胞胎更有可能采取相同的策略.

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