Not sure about other areas, but in my state "Genetic Information" is among the protected classes with which you may not discriminate regarding employment. Although it's allowed for housing, credit, etc. when race et al are not, which is quite peculiar.

https://www.nj.gov/oag/dcr/law.html

Federal (GINA):

> It shall be an unlawful employment practice for an employer-- (1) to fail or refuse to hire, or to discharge, any employee, or otherwise to discriminate against any employee with respect to the compensation, terms, conditions, or privileges of employment of the employee, because of genetic information with respect to the employee;

No job advertising protection there

NJ (LAD):

> It shall be an unlawful employment practice, or, as the case may be, an unlawful discrimination: a.For an employer, because of [..], genetic information, [..] to refuse to hire or employ or to bar or to discharge or require to retire, unless justified by lawful considerations other than age, from employment such individual or to discriminate against such individual in compensation or in terms, conditions or privileges of employment;

Nope, nothing there either about recruitment ads..