Question: Assume that you are increasing Downton wombats, carefully because they bite when teased.You notice that some of your wombats have white spots, whereas others have solid coats. What three crosses could you carry out to determine whether white spots are due to a dominant allele? What would the progeny of […]

The tickle syndrome (laughing in response to touch) and trembling ears (triggered by exposure to bright blue light) are both dominant traits in human beings. (a) What is the probability that the first child of parents who are heterozygous for both the tickle trait and the trembling ears trait will […]

Unlike microscopy, cell fractionation and protein purification is often performed as a series of linked steps that can often take several days or longer than a week’s time. a. Most buffer solutions used in this process are isotonic and contain protease inhibitors. Why would this be the case? b. EGTA […]

1. Consider an atom of nitrogen (N), which is more electronegative than an atom of hydrogen (H). N has 5 valence electrons, whereas H only has 1 (H can only form 1 total pair of electrons in it’s valence shell) … Given this information: If an atom of N were to […]