Answer:
a) F1 offspring will be AaBbCc
b) for part b and a explanation see the picture attached
I am going with x-rays; it is the most visible to the naked eye out of all the choices.
Arthritis is a joint disorder involving joint inflammation.Pain is often localized to only the affected joint. Osteoarthritis is a wear and tear type of arthritis often affects aging population affecting joints in hands,knees and lower back. Heberden's node is an example and develops around middle age thus Wendell might have this.
One of the plants in this grouping are chrysanthemums.