Question

charlene is in charge of hiring a cruise ship social director, and she wants to pick someone who is very outgoing. unfortunately, she has information only about the siblings of the potential candidates. given what is known about the genetic transmission of outgoingness, which of the candidates would she choose? any candidate because genes do not influence extraversion the candidate whose older sister is outgoing the candidate whose fraternal twin is outgoing the candidate whose identical twin is outgoing

Explanation:

Outgoingness (extraversion) has a genetic component. Identical twins share 100% of their genes, fraternal twins share about 50% like regular siblings. A candidate with an identical - twin who is outgoing is more likely to be outgoing due to genetic similarity compared to other options.

Answer:

the candidate whose identical twin is outgoing