He's single, so a lower percentage of offspring will be Barred.(Versus Double Barring = 50% Barred Males, & 50% Females. So, 100% Barred offspring. )
25% Solid Males, 25% Solid Females.
(50% is made by adding up both 25%, of the Barred, or Solid offspring produced)
25% Barred Males, 25% Barred...