Do you have a photo of your question
Answer:
50%
Explanation:
i'm going to do a punnet square below. so the man has 1 x-chromosome and 1 y-chromosome but i'll capitalize his x because color deficiency is on the x chromosome. the woman is xx and both lower case because she is not a carrier
woman
x x
X Xx Xx
y xy xy
I think you are looking for the word, Metaphase.
Answer:
peptide antigens by MHC class II molecules
Explanation:
Helper T cells are activated by peptide antigens by MHC class II molecules. These antigens express on the surface of antigen-presenting cells (APCs). After activation, the T helper cells divide and secrete cytokines to assist the immune response.