Jill noticed that her mother and sister both had characteristics of anxiety; hence she concluded that she might be at risk as well. This type of reasoning is consistent with which of the following approaches to studying the genetic basis of behavior?

a. adoption study
b. twin study
c. naturalistic study
d. family study

The correct answer is letter D

Explanation:  The family study is one of the most important structures, because from this it can constitute a good family base with the sharing of members through knowledge and thus share other factors as well. It plays a key role in mental health and significantly helps school performance.

explanation:

may i ask what challenges?

the arab empire adopted the muslim religion as their main belief. arabs would influence the people from the territories they invaded towards islam (the muslim belief).

nevertheless, throughout the history of the arab empire, rulers brought intellectual individuals from other religions to their centers of learning. these other foreigners included jews, christians, greeks, persians, and indians.   these resulted in the adoption of important knowledge developed by these cultures by the arabic empire. for example, the works of aristotle were translated from greek to arab and indian scientists brought the numerical concept of "zero" to the arabs.

nowadays, 93% of the arab population is muslim, which at the same time is subdivided in sects including the sunni, zaini, alawi, shia. the remaining 7% is composed mainly of christians.