Be it enacted by the Senate and House of Representatives in General Court assembled, and by the authority of the same, as follows:

Chapter 272 of the General Laws, as appearing in the 2000 Official Edition, is hereby amended by striking out section 17 and inserting in place thereof the following section:-

Section 17. Persons within degrees of consanguinity within which marriages are prohibited or declared by law to be incestuous and void, who intermarry or have sexual intercourse with each other, or who engage in sexual activities with each other, including but not limited to, oral or anal intercourse, fellatio, cunnilingus, or other penetration of a part of a person's body, or insertion of an object into the genital or anal opening of another person's body, or the manual manipulation of the genitalia of another person's body, shall be punished by imprisonment in the state prison for not more than 20 years or in the house of correction for not more than 2½ years.