Which statement describes down syndrome? ( give one answer)

it is a chromosomal abnormality.
it causes individuals to be taller than average.
it can be passed to other siblings.
it is preventable by exercise and a healthy diet. tween the factor market and the product market

Which of the following accounts for someone who has had regular herpesvirus-mediated cold sore or genital sore flare-ups? a) re-infection by a closely related herpesvirus of a different strainb) re-infection by the same herpesvirus strainc) copies of the herpesvirus genome permanently maintained in host nucleid) copies of the herpesvirus genome permanently maintained in host cell cytoplasm