During dna replication, the dna molecules ‘unzips’, or comes apart, allowing access for replication. this process occurs
a. from the middle, unzipping in two directions.
b. in segments
c. from one end all the way to the other, in once piece.
d. when the original chromosome separates into many pieces.

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.