A man has 6 fingers on each hand and 6 toes on each foot. His wife and their daughter have the typical number of digits. Knowing that extra digits is a dominate trait, what fraction of this couple's children would be expected to have extra digits?

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing