Which Statement About the Levels of Genetic Similarity of Identical

question 124

Multiple Choice

Which statement about the levels of genetic similarity of identical twins, same-sex fraternal twins, and other same-sex sibling pairs is true?

• A) Same-sex fraternal twins and other same-sex sibling pairs have an equal level of genetic similarity, and they are both less genetically similar than identical twins.
• B) Same-sex fraternal and identical twins have an equal level of genetic similarity, and they are both more genetically similar than other same-sex sibling pairs.
• C) Same-sex fraternal twins are less genetically similar than identical twins and more genetically similar than other same-sex sibling pairs.
• D) Identical twins, same-sex fraternal twins, and other same-sex sibling pairs all have equal levels of genetic similarity.

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Definitions:

True Score

The true score is a theoretical concept in psychometrics representing the actual measure of the trait or characteristic being assessed, without the distortion of measurement error.

Measurement Error

The difference between the true value and the measured value due to inaccuracies or flaws in the measurement process or instrument.

Measure

To ascertain the size, amount, or degree of something using a standard unit or instrument.

Pearson Product-moment

A correlation coefficient that measures the strength and direction of a linear relationship between two continuous variables.