The cost of providing care for individuals who develop all the symptoms of a genetic disorder can be very high. However, if proper treatment is given early enough in an affected person’s life, many of the most devastating health problems may not develop. One way that scientists could help reduce the cost of caring for a person who has a genetic disorder is to

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.

Por qué crees que los huevos con cáscara se llaman amnióticos?

which is an effect of short-term environmental changes? a) adaptation b) speciation c) extinction d) death (5 points)