The quality of discipline and emotional ties with parents.
Explanation:
Their findings further suggested that adolescent raised in a large, single parent family of limited economics means and educational achievement were vulnerable to delinquency. The Gluecks' research integrated biological, social and psychological elements; and suggested that the initiation and continuity of a criminal career was due to developmental process influenced by both internal and external situations, conditions and circumstances.
This statement giving a clue that there is asexually reproduction (may be binary fission) taking place and the progenies in asexual reproduction are genetically similar to parent cell. So answer is A.
