Riboswitches are folded rnas that act as switches to turn protein synthesis on or off in response to
a. specific codes from the dna
b. changes in the environment
c. specific trnas
d. the presence or absence of ubiquitins

Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a.the offspring are more likely to have freckles. b.the offspring are more likely to have no freckles. c.the likelihood of the offspring having freckles and not having freckles is the same. d.the likelihood of the offspring having freckles and not having freckles cannot be determined.