Thus, when FEV is genetically deleted from the mouse genome, male mice will instantly attack other males, whereas their wild-type counterparts take significantly longer to initiate violent behaviour.
Alwaq wa id etri n FEV imas a hin daɣ mouse genome, akundar wan ahalis ad idlim wi yadnen n meddan as ijja awen ich-ikil n imidiwan nasan tahaj in war areman alxal n tadlimt