The most specific and sensitive method for detecting genetic defects in an embryo is __________
A. amniocentesis D. karytotyping
B. chorionic villus sampling E. recombinant DNA techniques
C. PGD
E
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The most common mutation in cystic fibrosis is the deletion of a single amino acid which results in a misfolded protein
a. True b. False Indicate whether the statement is true or false
____ is the degree of adaptation to a specific environment
a. Fecundity b. Fertility c. Fitness d. Adaptation e. Natural selection
The ratio of the size of the image seen with the microscope to the actual size of the object is called:a
magnification. b. resolution. c. resolving power. d. centrifugation. e. fractionation.
Clams and other bivalves typically have:
a. dermal gills. b. gills adapted for trapping food. c. an operculum. d. book lungs. e. swim bladders