The developmental disorder of Down syndrome is predominantly caused by
a. a missing #21 chromosome.
b. an extra #21 chromosome.
c. genetic splicing and chromosome damage.
d. spiral helix ladder random recombination.
b
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Bioethicists have a medical and legal authority to implement medical decisions made by hospital review boards
Indicate whether the statement is true or false
With age, there are very large declines in memory function, and these changes can never be reversed
Indicate whether the statement is true or false
Individuals who are mildly affected by an intellectual disability:
a. may not be recognized by the community as having a serious deficiency b. cannot be employed c. are typically institutionalized d. will not be able to live a satisfying lifestyle
Investigators can directly examine the sequences of bases in genes as an accurate presymptomatic test for which of the following?
A. myasthenia gravis B. Parkinson's disease C. multiple sclerosis D. Huntington's disease