The most common type of study aimed at demonstrating the heritability of IQ involves comparing the two fundamentally different kinds of twins—monozygotic (MZ) or identical twins and dizygotic (DZ) or fraternal twins. The rarer MZs are the result of the fertilisation of a single ovum by a ...
monozygotic (MZ) twins 单卵(同卵)孪生 dizygotic (DZ) twins 异卵双生 本文来自博客园,作者:橙子牛奶糖(陈文燕),转载请注明原文链接:https://www.cnblogs.com/chenwenyan/p/14857025.html 标签: 概念 好文要顶 关注我 收藏该文 微信分享 橙子牛奶糖 粉丝- 550 关注- 8 +加关注 1 0 « 上...
Digital patterns of a sample on twins were analyzed to estimate the resemblance between monozygotic (MZ) and dizygotic (DZ) twins and to evaluate the mode of inheritance by the use of maximum likelihood based variance decomposition analysis. MZ twin resemblance of finger pattern types appears to ...
Data from individual interviews, blood grouping analyses, and ratings of photographs of a large sample of adolescent twins were examined in order to assess the accuracy of zygosity determination by alternate methods. Although the accuracy of the twins themselves and of the raters was above chance, ...
1) DZ4 superalloy DZ4高温合金 2) DZ DZ 1. The Chain Supermarket ofDZIndustry Limited Company Marketing Strategy Research; DZ实业有限公司连锁超市营销策略研究 2. The birth records of twins in 1989 in China are utilized to analyze the regional distribution features of the birth rates of MZ and...
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The twin-family design was used to assess social closeness between twin aunts/uncles and their respective nieces/nephews. Monozygotic (MZ) twins share 100% of their genes; therefore, MZ twins would be considered to be the genetic "parent" of their nieces/nephews. The present study is a ...
As part of a recent evaluation of Colorado birth records for the years 2006 through 2008 we became aware of a shifting trend in the proportion of MZ and DZ twins in the Colorado population. Historically (Bulmer 1970 The biology of twinning in man, Clarendon, Oxford) we have expected a 1/...
The genetic contribution to dizygotic (DZ) twinning was investigated using 6,596 twin pairs from the Australian Twin Registry who provided information on other twins in their families. Responses were classified by the zygosity (DZ; monozygotic [MZ]) of the proband twins and by the relationship ...
Two families with twins - one in which adult DZ twins continue to face the risk of frontotemporal dementia, and the other in which a mother copes with brittle bones in a newborn infant MZ pair - are featured. The nature and progress of the disorders are reviewed and personal perspectives ...