Either C or D but I pretty sure it's C
No, it cannot because codominance is the expression of both alleles coming forth from each parent. One parent would be R(A)R(A) and the other parent would be R(B)R(B). Their offspring would only be able to be R(A)R(B). They could not be homozygous.
...mental disorders...
When there is only decreased muscle strength caused by physical reasons, as well as other physical disabilities, may not stop people from driving because it is possible to have cars that can be adapted to the circumstances. On the other hand, when there is mental limitations that reflect in physical disabilities, it is not possible to control them as they inconstant.
Answer:
the answer would be A, It regulates body temperature
False. Amphibians like frogs reproduce sexually like mammals. Where's organisms like the hydra reproduce by budding and organisms like the sea anemone, use water to carry their sperm and eggs.