An individual who is at risk of passing a genetic defect onto his or her offspring would most likely undergo ____
a. genetic testing
b. genetic screening
c. enzyme replacement therapy
d. preimplantation genetic diagnosis (PGD)
e. amniocentesis
a
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The portion of the DNA molecule that is translated is composed of
a. introns. b. anticodons. c. exons. d. transcriptons. e. exons and introns.
Seed banks
a. provide a source of seeds for farmers. b. preserve seeds for museums. c. preserve plant genetic diversity to be tapped by genetic engineers. d. distribute seeds to member seed companies. e. do all of these.
Which of the following designates a normal human
male? a. YY b. XX c. XY d. XO e. XYY
During transcription, a portion of a cell's DNA is converted to a complimentary strand of mRNA. The mRNA is eventually used as the blueprint for making one or more proteins, but not immediately
A short lag time is necessary between transcription and the initiation of translation. Why?