A translocation involving chromosome 21 can result in
A. a risk for Down syndrome independent of maternal age.
B. a risk for Down syndrome dependent on paternal age.
C. no increased risk outside of maternal age.
D. lowering the risk of Down syndrome.
E. no change in the risk for Down syndrome.
A
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A mutation expressed only under certain conditions is
A) germinal. B) de novo. C) conditional. D) deleterious
Which of the following is an extreme allergic response?
a. Autoimmunity b. Asthma c. Cancer d. Anaphylactic shock
Foods made from refined white flour and refined sugars ____
a. promote fat usage b. include complex carbohydrates c. are linked to increased risk of heart disease and type 2 diabetes d. have little impact on insulin levels e. are an essential part of a balanced diet
The integration of an intact provirus sequence into the host genome is typical of
a) hepatitis B b) human papilloma virus (HPV) c) DNA viruses in general d) retroviruses