Why is PCR useful?
A) It allows fragments of DNA to be separated by size.
B) It is essential for making many copies of a transgenic animal.
C) It is required for the introduction of DNA into reproductively cloned animals.
D) It allows for making many copies of DNA when the starting sample is small.
Correct Answer:
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Q26: Cells that can give rise to more
Q27: Embryonic stem cells are taken from:
A)blastocysts.
B)adult tissues.
C)eggs.
D)iPS
Q28: In PCR,heating of the DNA is necessary
Q29: What is the advantage of implanting iPS
Q30: How similar to the donor would a
Q32: By inserting four developmental genes into ordinary
Q33: Stem cells are said to be pluripotent.This
Q34: DNA fragments cut by most restriction enzymes
Q35: Which is an example of clones that
Q36: In producing Dolly,the first cloned sheep,how many
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