If you didn't forgot to put the letters in caps this is the explanation:
100% of the possible gametes will contain the a alelle.
possible combination of gametes all result in the same: ab or ab
Just to compare if the genotype was Aabb
The gametes would be : Ab or ab
The factors that affect personal health that are the most easily controlled are c) lifestyle.
You can easily change the way you are living, whereas these other things cannot be.
1. 25% which is bb
2. All living things are made of cells
3. Grams, mass
Hope that helps.
