The work of which scientist caused controversy that still exists today

The correct answer is - Darwin.

Explanation:

Charles Darwin was a naturalist, biologist, geologist that write a book called the origin of life and presented the theory of evolution. It is also know known as Darwinism.

Darwinism is a theory that is still controversial but no one knows exactly why? some suggested that it does not have enough evidence to support and others are opposed due to their religious beliefs of evolution.

Thus, the correct answer is - Darwin.

answer; a male inherits only one allele of the x-linked gene controlling hair color;