Calculate the percentage of cells in interphase, prophase, metaphase, anaphase and telophase. Use this formula: % of cells in phase = total number of cells in phase total number of cells X 100.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

9. the history of life on earth is recorded in

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.