North Carolina has approximately 206 beaches along it's shoreline. During the 2012 swimming season, 2% of the beaches had bacterial levels that exceeded the federal standards for safe use. These levels resulted in the closing of those beaches.
is NOT a possible source of the increase in bacterial levels.
A)
Boating waste
B)
Storm-water runoff
Eliminate
Marine animal waste
D)
Number of swimmers in the area

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes