The response on Twitter was swift, with some calling for the broadcaster to be axed:
Others questioned the relative intelligence of Baker and the chimp pictured:
Baker's apology all fell short for many users, who accused him of shifting the blame:
Markle has proudly embraced her biracial heritage in the past: "I'm half black and half white ... While my mixed heritage may have created a grey area surrounding my self-identification, keeping me with a foot on both sides of the fence, I have come to embrace that.
"To say who I am, to share where I'm from, to voice my pride in being a strong, confident mixed-race woman."