What can many other forces do that friction forces cannot do?
a. stop motion
b. cause positive acceleration
c. cause motion
d. prevent positive acceleration

answer; i believe the correct answer is (replication is not conservative);

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.