In dogs, there is a hereditary type of deafness caused by a recessive gene. Two dogs who carry the gene for deafness but have normal hearing are mated. What would be the correct genotype for each of the dogs. H = normal hearing, h = deafness Question 6 options:

HH and hh

Hh and hh

HH and HH

Hh and Hh

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

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.