Which of the following is determined by multiple alleles?
a. rh blood group
c. pku
b. abo blood group
d. huntington’s disease

what are the options

thinking it would be d not too sure but i think it's right

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.

answerbacterium;