In the sexual selection simulation you looked at what happens if some organisms can evolve preferences for some traits, even when those traits have no intrinsic effect on the fitness of the organisms. What happened to the size of the organisms over time when you set the LEK-SIZE to 2 or even as high as 10 (really intense sexual selection)?
A. It remained unchanged
B. It increased rapidly
C. lt decreased rapidly
Answer: A. It remained unchanged
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A plasmid vector and chromosomal DNA are treated separately with the same restriction enzyme. Which of the following might occur if the digested plasmid and chromosomal DNA were incubated together?
A. The two sticky ends of the plasmid could hybridize back together, recircularizing. B. The two sticky ends of the plasmid could hybridize to both sticky ends of the chromosomal DNA fragments. C. The two sticky ends of the plasmid could hybridize back together and recircularize as well as hybridize to both ends of a fragment of chromosomal DNA. D. The two sticky ends of the plasmid could hybridize with two ends of another type of plasmid. E. The two sticky ends of the vector would remain free or unhybridized.
SNPs located near each other on chromosomes are inherited as blocks known as ________.
Fill in the blank(s) with the appropriate word(s).
A patient should be placed in a private room that has monitored negative air pressure if he or she is infected with which organism?
a. H. influenzae b. Mycoplasma pneumonia c. Parvovirus B19 d. Mycobacterium tuberculosis
Cystic fibrosis in humans is caused by a recessive loss-of-function mutation in a locus on chromosome 7 that encodes for a protein called ________. [five words]
Fill in the blank(s) with correct word