<span>The common cold is regarded a viral.
Viruses: are the source of well-known diseases (colds, conjunctivitis, nasopharyngitis, bronchitis acute, flu, gastroenteritis, measles, mumps, chickenpox, <span>herpes)</span></span>
Overdominance occurs when a heterozygote has a more phenotype than that of either of its parents.
A. Moderate. If he can carry on a conversation without running out of breath then he is probably not a stranger to that type of workout and is use to much harder tasks.
Antibodies are produced by specialized white blood cell called B lymphocytes or B cells when an antigen binds to the B cell surface it stimulate the B cell to divid