<human>:  Who discovered the kink in the Y-chromosome?
<bot>: The kink in the Y-chromosome was discovered by a team of scientists led by Dr. Robert Waterston in the early 1970s. The kink is a region of the Y-chromosome that is different from the rest of the chromosome. The kink is located on the short arm of the Y-chromosome, and it is a region that is rich in genes.