A. A weak acid. Hope this helps!
Hey!
Wat a coincidence! I just gave a speech on arthritis today! :D
If arthritus destroys cartilage in a joint, everything that is supposed to support the joint - such as ligaments, muscles and tendons - will weaken, and this will lead to pain known as RA.
Someone I knew had arthritus, and when it destroyed the cartilage in her joints, she was unable to walk anymore.
It is impossible in this case because both partners have homozygous alleles. The child will have Ww and because W has complete dominance the child will have a widows peak
