This gene mutates at a rate of approximately 0.76 base pairs every 17.1 million years. calculate the estimated time period it takes for 1 base pair to mutate.

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.