Place the chicken between two pieces of waxed paper and flatten to 1/2 inch thickness. Mix egg and red pepper. Dip each piece of chicken in egg mixture and coat with wheat germ. Coat a large skillet with vegetable spray. Place over medium-high heat; melt margarine. Add chicken and cook for 3 to 4 minutes on each side. Remove to serving platter; keep warm.Pour lemon juice in skillet; cook over high heat for 1 minute, stirring constantly. Pour juice over chicken. Garnish with lemon slices and/or parsley.