If the mother has a recessive condition (two copies of the gene) and the father is a carrier of a recessive trait, what is the probability for their children to inherit the trait? Choose one answer

a)
25%

b)
75%

c)
50%

d)
100%

Which greenhouse gas is emitted when burn fossil fuels for energy? a. nitrogen b. oxygen c. carbon dioxide d. helium

What are the proteins in connectivity tissues of your foot examples of?

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.