The fragments of chromosomes split by restriction
enzymes
a. have fused ends.
b. have specific sequences of nucleotides and often
have sticky ends.
c. each have the same number of nucleotides as the
original chromosome.
d. form a circle.
e. have modified DNA nucleotides.
Answer: b
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The megaspore produces a plant with __________
cells. a. 2 b. 7 c. 8 d. 14 e. 16
What statement best describes “biology”?
a. The science of life b. The naming of organisms c. The study of natural selection
d. The measurement of populations e. The study of how organisms are related to one another
Telomerases are important in the complete replication of linear chromosomes because there is no ________ at the ends of the lagging strands
Fill in the blank with correct word.
RFLPs can be used to establish parent-offspring relationships because, assuming that two parents are heterozygous for different sets of RFLPs, a child will have
a. four RFLPS, represented by two identical RFLPs from each parent. b. two different RFLPs, one from each parent. c. four RFLPS, represented by two different RFLPs from each parent. d. two identical RFLPs, one from each parent. e. two different RFLPs, both from one parent.