This karyotype is characteristic of children that are also born with mental impairment, slanted eye-lids, a protruding tongue, heart defects, and small stature. this genetic disorder is
a)down syndrome.
b)turner syndrome.
c)fragile x syndrome.
d)klinefelter syndrome.

You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation