The answer is "bb" because a gene must have alleles that are both recessive in order for the recessive trsit to take over.
Answer:
Fossil is unable to change
Explanation:
Action potential <span>is the electrical signal that typically moves from the cell body down the axon to the axon terminals.
There are other terms to refer to this, and those are <em>impulse </em>or <em>spike</em>. This is so because action potential is created when "the membrane </span><span>potential of a specific axon location rapidly rises and falls," according to its definition.</span>
Answer:
Option A
Explanation:
Xeroderma pigmentosum arises as a result of the cell being unable to correct lesions induced by UV. This can be as a result of mutations in the enzymes which include XP A-E needed for correction of the lesions. Failure to correct these lesions leads to their accumulation and then damage to the cell.