The gender role differences between social groups result from cultural influence.
Option: A
Step-by-step explanation:
Cultural pattern is largely different in nomadic society and in agricultural society. In the earlier age when people used to live nomadic life they move from one place to another in search of shelter and livelihood. That was carried on in a group wise there was no gender role.
After the invention of fire people leanrt to adopt with agriculture and a different society was established where culture make its place and gender role differences were acute. It was clearly demarcated the area of work where boy and girl children will take part. It was happened due to cultural influence.