There many whale skeletons at various museums. Many have residual rear leg bones. So the last drawing is incorrect in that the existing whales are transitional. Not surprising as all living organisms are transitional.
NHS (British National Health Service) has a web page that lists and explains the different ways sex development may not be so simple. The title is Differences in Sex Development. I chose this page as it is easy for non-embryologists (like me) to understand. While each disorder is rare, collectively there are many people affected. As an example, look up Caster Semenya, not transgender, she is female but has testes instead of ovaries. If you search for percentage of all DSD in the world, there are many articles and it is about 1.7%. US population is about 332,000,000. That means there are about 5,600,000 people so afflicted. It is cruel to insist they fit into an over simplistic definition of their physicality.
Um how is a very pale Irish not white? The prejudice against the Irish from prior to 1850 and into the early 1900s. The discrimination was based on religion, though, not skin or hair color.
There many whale skeletons at various museums. Many have residual rear leg bones. So the last drawing is incorrect in that the existing whales are transitional. Not surprising as all living organisms are transitional.