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sherryzzzzz sherryzzzzz
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6 years ago
Skin grafts between identical twins are more successful than grafts between more unrelated
  individuals. Why?
  A. Identical twins share the same uterine environment.
  B. Twins are exactly matched in age.
  C. Identical twins have identical HLA alleles.
  D. Identical twins are the same sex.
  E. None of these is true.

Question 2

The quick response of the immune system to a second infection is due to
  A. activation of macrophage cells.
  B. suppression of suppressor cells.
  C. T and B memory cells.
  D. high levels of antigen.
  E. new cytotoxic T cells.
Textbook 
Human Heredity: Principles and Issues

Human Heredity: Principles and Issues


Edition: 10th
Author:
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Replies
wrote...
6 years ago
Answer to q. 1

C

Answer to q. 2

C
sherryzzzzz Author
wrote...
6 years ago
Thank you

Can you answer the others that I've posted too? Face with Cold Sweat
wrote...
6 years ago
I'll take a quick look at them
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