Different versions of a gene are called alleles. Alleles are described as either dominant or recessive depending on their associated traits.
Isotopes are elements with same atomic number Z= number of protons but different mass number A, where A= Z+N, N= number of neutrons which is variable. As for radioisotopes, I’ve never heard of them before !
Yes, if a rock is intrusive, it has large crystals.
Answer:
Symptoms of PNS damage include problems with sexual function, bladder control, blood pressure regulation, digestion and loss of sensation in the hands and feet. ... The cells can revert back to an immature 'repair' cell due to their plasticity, therefore allowing them to repair damage to the PNS.