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- Fraternal twins share one placenta. 异卵双生共享一个胎盘。
- For fraternal twins, the concordance was 16%. 对女性异卵双胞胎来说，这个比例是16%25。
- Fowler and his colleagues thus turned to identical and fraternal twins. 佛勒与同事因此将注意力转移到同卵与异卵的双胞胎身上。
- Derived from two separately fertilized eggs. Used especially of fraternal twins. 两合子的，两受精卵的源自两个分别受精的卵子的，尤用于指异卵双胞胎
- They then compared the" concordance" of identical twins (in how many pairs both got or escaped cancer) with the concordance in fraternal twins. 然后比较了同卵双生和异卵双生的“一致性几率”(即多少对孪生孩子中两人均得过或均未得过癌症)。
- 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。
- Is my twin. You could say that she's my female half because we're fraternal twins. 你可以说你是我的半个女人,因为我们是龙凤胎。
- ABC reported that the theft was not the only difficulty the Secret Service faced during the fraternal twins' two-week visit. ABC报道说，这对孪生姐妹的两周阿根廷之旅可谓“多灾多难”。
- Combing the medical histories of 89,576 identical and fraternal twins from Sweden, Denmark and Finland,they got reliable enough statistics to analyze 11 types of cancers. 他们从瑞典、丹麦和芬兰89576例同卵或异卵双生的医学纪录中，找到了足够的统计数字，对11种癌症进行分析；
- Fraternal twins also shared a tendency towards fearfulness but the link was less strong, indicating a genetic component to fearfulness. 非同卵双胞胎也有此趋势但要相对弱一些，这说明了产生恐惧的遗传因素。
- Using data from research on identical and fraternal twins, she concludes that an additional 50 percent is determined by genetics. 根据对异卵双胞胎的研究数据的分析，她总结说取决于遗传的有五成。
- In other words, their senses of what was fair were similar.No such correlations were seen in the behaviour of fraternal twins. 换句话说，他们的公平感是很相似的，而在异卵双生的双胞胎中就没有发现这样的关系。
- Combing the medical histories of 89,576 identical and fraternal twins from Sweden,Denmark and Finland,they got reliable enough statistics to analyze 11 types of cancers. 他们从瑞典、丹麦和芬兰89576例同卵或异卵双生的医学纪录中，找到了足够的统计数字，对11种癌症进行分析。
- Combing the medical histories of 89,576 identical and fraternal twins from Sweden, Denmark and Finland, they got reliable enough statistics to analyze 11 types of cancers. 他 们 从 瑞 典 、 丹 麦 和 芬 兰 89576例 同 卵 或 异 卵 双 生 的 医 学 纪 录 中 ， 找 到 了 足 够 的 统 计 数 字 ， 对 11种 癌 症 进 行 分 析 ；
- Fraternal twins result from two eggs being fertilized at the same time, each by a different sperm.Each has its own placenta, and they can be the same sex or not. 而异卵双胞胎则是两个卵子同时受精，各自拥有不同的精子，每个受精卵都有各自的胎盘，其性别可能相同也可能不同。
- Identical twins raised apart, for example, have I.Q.’s that are remarkably similar.They are even closer on average than those of fraternal twins who grow up together. 例如，同卵双胞胎分开长大后，智商仍旧非常相似，从平均情况看，甚至比一起长大的异卵双胞胎更加接近。
- This study probed tone acquisition in a hearing-impaired child with early implantation, and compared him with his hearing-normal fraternal twin sister. 本篇研究旨在观察一名早期植入人工电子耳孩童的声调发展，并与其听力正常的异卵双胞胎妹妹的发展做比较。
- In addition, evidence indicates that hypnotic responsiveness may have a hereditary component: identical twins are more likely than same-sex fraternal twins to have similar Stanford scores. 另外，证据指出，对催眠的反应程度可能与遗传有关：比起同性的异卵双胞胎，同卵双胞胎的史丹佛量表分数比较接近。
- Because identical twins share the same genes and fraternal twins do not, the researchers could identify common genes that result in certain personality traits and predispose people to happiness. 由于同卵双生的双胞胎基因完全相同，而异卵双胞胎不完全相同，所以研究人员可以分辨出决定某些性格特征及使人容易快乐的共同基因。
- West Africa has a much higher incidence of non-identical twins, or fraternal twins, than in Europe and Japan, especially in Nigeria’s Yoruba southwestern community, where Igbo-Ora is located. 西部非洲比在欧洲和日本有更高的龙凤双胞胎或异卵双胞胎的出生率，特别是在尼日利亚约鲁巴语的西南社区，那里伊博文-南月明所在。
