Multiple Choice
Scientists use _______ to produce many copies of small DNA fragments, such as those obtained at crime scenes or from fossils.
A) transcription
B) polymerase chain reactions
C) nondisjunction
D) trisomies
E) random assortment of alleles
Correct Answer:

Verified
Correct Answer:
Verified
Q36: The Y chromosome<br>A)is found in both sexes:
Q37: Discuss why DNA is the biological basis
Q38: The two basic types of eukaryotic cells
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Q40: Gametes are<br>A)egg and sperm cells.<br>B)also called zygotes.<br>C)the
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Q43: Explain the history and functions of cells.
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