Participants share the same home environment but do not share the same genetic code so researchers can study the impact of biological factors. Thus, option "B" is correct.
<h3>How do adoption studies allow us to separate genetic from environmental influences?</h3>
The potency of the adoption design—separating hereditary from environmental effects on a person's action—results from pulling the child (ideally at birth) from the delivery parents and their environment into a distinct environment with biologically unrelated adoptive parents.
Thus, option "B" is correct.
To learn more about biological and environmental factors click here:
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“B.water intake helps to keep hair soft” is your answer
The answer is B. practiced giving the presentation