Amniocentesis is
a. a surgical means of repairing deformities.
b. a form of chemotherapy that modifies or inhibits
gene expression or the function of gene
products.
c. used in prenatal diagnosis to detect
chromosomal mutations and metabolic disorders
in embryos.
d. a form of gene replacement therapy.
e. all of these.
Answer: c
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According to data from the Human Genome Project, the number of genes in the human genome is estimated to be between _____
a. 20,000 and 25,000 b. 50,000 and 75,000 c. 150,000 and 200,000 d. 5,000 and 10,000 e. 80,000 and 100,000
Except for tropical tree ferns, the stems of most ferns are underground rhizomes
a. True b. False
Sulfonamides inhibit the production of folic acid and, therefore, inhibit the synthesis of ________.
A. aromatic amino acids B. ribose C. purines and pyrimidines D. peptidoglycan
The process that normally exerts the greatest control
over the water balance of an individual is a. sweating. b. elimination in feces. c. kidney function. d. evaporation through the skin. e. respiratory loss.