SB 642 proposes to establish the licensing and regulation of genetic counselors in Texas through the creation of the Licensed Genetic Counselor Act. It outlines the roles, qualifications, and regulations for genetic counselors, including the creation of a Licensed Genetic Counselor Advisory Board. The bill defines the scope of practice for genetic counseling and delineates the qualifications and licensing requirements for professionals, with specific exemptions and enforcement mechanisms. The Texas Department of Licensing and Regulation is tasked with administering the licensing process, adopting ethical standards, and ensuring compliance.