A mutation in a gene often results in a reduction of the product of that gene. The term for this type of mutation is ________
A) gain of function
B) loss of function or null (in the case of complete loss)
C) codominance
D) multiple allelism
E) incomplete dominance
Answer: B
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In Hashimotos's disease, autoantibodies are made against ________, a product of the thyroid gland
A) bacteria B) hemoglobin C) thyroglobulin D) viruses
Parasites may regulate host populations
Indicate whether the statement is true or false
Which is the most recent plant adaptation to have evolved?
A) Seeds B) Vascular system C) Flowers D) Cones
Which of the following is not true of type III hypersensitivity?
A. Serum sickness is a systemic response. B. It involves an immune complex reaction. C. Antigen-antibody complexes are deposited in the basement membrane of epithelial tissues. D. It involves production of IgE antibodies. E. The Arthus reaction is a local response.