Color blindness is a recessive trait. the gene for the color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the father in the first generation. what must be true about the father?

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

Which of the following typically characterizes a tropical rainforests