I believe the correct answer would be actin filaments. These are polmers that are linear with G-actin as subunits that attaches ith myosin heads during the skeletal muscle contraction. They are necessary for cell shape, adhesion and contraction.
Answer:
Heart diease(1st), Cancer(2nd), Strokes(3)
Explanation:
Assuming type a would be an AA allele and type b is a BB allele, No because an AA mother with an AB father wont make a BB child.
