Answer:
The answer is- genetic predisposition
Explanation:
The correct question should be "twin studies suggest that a strong influence on emotional instability comes from____"
Twin studies suggest that a strong influence on emotional instability comes from <u>genetic predisposition.</u>
Twin studies are studies which are conducted on identical or fraternal twins and they aim to reveal the importance of environmental and genetic influences for trait phenotypes and disorders.
Genetic predisposition is an increased likelihood of developing a particular disease or trait based on a person's genetic makeup. It results from specific genetic variations which are often inherited from a parent. It influences possible phenotypic development of an individual organism within a species or population under the influence of environmental conditions.
Therefore a strong influence on emotional instability in twins come from genetic predisposition
The railroads :)
<span>Especially in 1848, when workers began to build the Galena & Chicago Union Railroad. </span>
<span>Here's some info. http://encyclopedia.chicagohistory.org/pages/653.html
Hope this helps</span>
Answer: the answer is B hope it helps
Explanation:
