if you could engineer an activity into dna polymerase to allow both strands to follow the replication fork, what would this additional activity be?

What was the land like over 500 million years ago? what was under the sea?

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.

Cells control gene expression at which steps