How many years did the precambrian era span

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Ais a group of individuals of the same that exist together in the same place at the same time

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.