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.
Answer:
If a stimulus to a neuron is great enough, ___<u>t</u><u>h</u><u>r</u><u>e</u><u>s</u><u>h</u><u>o</u><u>l</u><u>d</u>_____ is reached and an action potential is generated.
Apparently it is caused by the sex hormones, testosterone, and oestrogen. there. that is the chemical reaction of lust.