_____ corrects the genetic defect in an individual with a genetic disorder by _____
a. Enzyme replacement therapy; delivery of a normal gene to affected cells in the body
b. PGD; removing affected cells from an early stage embryo
c. Gene therapy; PGD
d. Gene therapy; delivery of a normal gene to affected cells in the body
e. Chorionic villus sampling; constructing karyotypes from affected cells
d
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Moss sperm are produced in
A. archegonia.B. sporophytes. C. antheridia. D. lycophylls. E. stomata.
Approximately __________ percent of lung cancers
occur in smokers. a. 20 b. 40 c. 60 d. 80 e. 100
If a cell is placed into a hypotonic solution, the concentration of solutes in the solution is higher than the concentration of solutes in the cell.
a. true b. false
Pleomorphic bacteria
A) have a slightly curved rod shape. B) are flexible spirals. C) are both bacillus and coccobacillus in shape. D) are roughly spherical. E) vary in size and shape.