The pair of individuals that is most likely to have the highest similarity in their IQ scores are "Megan and Maria are identical twins who were separated at birth and raised in different families."
This is because the similarity of IQ scores is higher among identical twins.
This is based on the scientific research shown that identical twins raised together have 86% similarity of IQ scores, while identical twins raised differently have 75% similarity of IQ scores.
Option A is Parent-child living together, and the research has shown there is a 45% similarity of IQ scores.
Option B is Fraternal twins living together, which research has shown to have 55% similarity of IQ scores.
Option D is biological siblings living together, which research has shown to have 47% similarity of IQ scores.
Hence, in this case, it is concluded that gene plays more roles in IQ scores than environmental factors.
Available options are:
A. Vondra and Victoria are mother and daughter who have lived together for all of Victoria's 15 years.
B. Jerry and Jerica are fraternal twins who were raised in the same home.
C. Megan and Maria are identical twins who were separated at birth and raised in different families.
D. Annabeth and Andre are half-siblings who have the same father but different mothers. They've lived together since they were 3 and 5 years old, respectively.
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