Research on trait heritability has revealed which of the following? Please select the best answer from the choices provided Both differences and similarities regarding personalities have been found in families. The influence of heredity on personality is about 20 percent. There are more differences in personality characteristics among family members than there are similarities. There are more similarities in personality characteristics among family members than there are differences.

i’m pretty sure it’s A. Both differences and similarities regarding personalities have been found in families.

Explanation:

A

Both differences  and similarities regarding personalities have been found in families.

Explanation:

Took the test and got it right

the purpose of the heading in the passage is to identify who is telling the story.

this excerpt is part of the book sugar changed the world (2010) written by marc aronson and marina budhos. as the book has been written by two people, the heading "marc" indicates that this specific excerpt is being narrated by aronson. in the fragment, marc describes his grandfather's story after hearing it from his cousin. however, there are other excerpts where budhos is the one that tells the story of her family.

aronson and budhos, who are husband and wife in real life, decided to write sugar changed the world when they found out how sugar, which had an important role in slavery and economy, changed their ancestors' lives.