Select all that apply. Which of the following statements are true?
A purebred organism can either be IT or it.
Recessive genes will sometimes be masked by dominant genes
The combination of tivo genes determines the genetic trait of an organism.
It is possible for tivo genetically different plants to have the same phenotype

Cancer cells spread to other parts of the body by entering the bloodstream. which of the following organs could prevent a cancer cell in the bloodstream from spreading, and why? a. the spleen, because it releases lymphocytes into the blood b. the peyer's patches, because they release lymphocytes into the blood c. the lymph nodes, because they release lymph into the blood d. the thymus, because it releases lymph into the blood