DiGeorge syndrome is the result of

A. failure of B-cell development and maturity.
B. autoantibodies.
C. congenital absence or immaturity of the thymus gland.
D. delayed hypersensitivity.
E. a genetic defect in the development of both T cells and B cells.


Answer: C

Biology & Microbiology

You might also like to view...

In a Drosophila oocyte, bicoid mRNA produced by the mother is localized at one end of the egg rather than evenly distributed throughout the egg. This is an example of:

A. translational control of gene expression during development. B. translational control of development. C. hierarchical control of gene regulation during development. D. maternal developmental effect. E. oocyte polarization.

Biology & Microbiology

Fluid filtered into Bowman's capsule flows directly into the _____

a. renal artery c. distal tubule b. proximal tubule d. loop of Henle

Biology & Microbiology

Northern blotting is not useful in detecting the SNPs associated with the ?A and ?S alleles. Explain why

What will be an ideal response?

Biology & Microbiology

Type I Helper T cells are involved in

A. innate immunity B. humoral immunity C. cell mediated immunity D. chemical nonspecific

Biology & Microbiology