Jered was adopted as an infant in 1973. Jered has an identical twin who was also adopted in 1973 but by a different family. As an adult, Jered’s personality should most resemble that of:

Question

Jered was adopted as an infant in 1973. Jered has an identical twin who was also adopted in 1973 but by a different family. As an adult, Jered’s personality should most resemble that of:

BlackTom AI · Accepted Answer

Jered’s question involves nature versus nurture in personality development and the degree to which genetics influence resemblance in adulthood.
Option 1: 'his identical twin.' This option aligns with evidence from behavioral genetics that identical twins share nearly all their genes, which often leads to greater similarity in personality traits than between non-identical relatives, even when raised apart. Since the twins were adopted into different families, the shared genetics provide a strong basis for similarity in personality.
Option 2: 'a sibling in his adoptive family.' While there can be some personality similarities with adoptive siblings due to shared environments and experiences, these siblings do not share the same genetic makeup as Jered, so this option does not account for the substantial heritable component of personality.
Option 3: 'one or both of his adoptive parents.' Adoptive parents contribute to the environmental shaping of personality, but the genetic influence from Jered’s own biological parents is absent in adoptive parent–child comparisons. Therefore, while shaping factors exist, this option underestimates the genetic contribution and overemphasizes direct parental influence from the environment Jered was raised in.
Option 4: 'one or both of his biological parents.' Although biological parents provide genetic material that shapes personality, the question emphasizes adult resemblance in a context where Jered has been raised in a different environment from his biological parents due to adoption. Environmental effects from the adoptive family can modify expression of traits, and while biology matters, the strongest expected similarity in this scenario would come from the twin who shares both genetics and, to some extent, developmental history prior to adoption. However, since the twins were raised apart, the direct environmental alignment with biological parents is not as strong a predictor as genetic similarity with the identical twin.

Jered was adopted as an infant in 1973. Jered has an identical twin who was also adopted in 1973 but by a different family. As an adult, Jered’s personality should most resemble that of:单项选择题

类似问题

Traits that have similar concordance values in both monozygotic and dizygotic twins are best-explained by

Which of the following scenarios would most effectively demonstrate a violation of the "equal environments assumption" in twin studies?

The research method that would be best at determining that human behavior is either a product of nature or nurture would be______________.

Because identical twins share 100% of their genes and fraternal twins share (on average) 50% of their genes

Which of the following best describes the role of genetics and the environment using twin studies?

From a statistical perspective, which of the following sibling pairs are best considered to have equally similar personality traits?

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单