When a farmer grows cotton containing the gene for Bt toxin, insects that are resistant (rr) survive and reproduce. These insects were resistant because Select one:
a. the insects were able to produce gametes that were resistant to the insecticide.
b. the insects wanted to survive the insecticide and mutated their DNA.
c. by random chance some insects did not die from the insecticide.
d. the insecticide caused mutations to generate resistant alleles.
e. they inherited the alleles that made them resistant.
e. they inherited the alleles that made them resistant.
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The force of the original vibrations entering the ear is amplified by the
a. organ of Corti. b. oval window. c. round window. d. Eustachian tube. e. semicircular canals.
Which human tissue cells can be over 1 metre in length?
a. adipocytes b. skeletal muscle cells c. neurons d. columnar epithelial cells
You are playing a paired dice game with your brother, and he has placed all his bets on the extreme number (2s, 3s, 11s, and 12s) whereas you placed your bets on the middle numbers (5s, 6s, 7s, and 8s). However, as the game goes on, you think that the dice are landing on the extreme numbers more often than should be allowed strictly by chance. In fact, he's winning! You accuse him of using a loaded dice, and in order to test it, you keep track of all the dice rolls for 100 rolls and run a Chi-Square analysis. The p-value you get back is 0.47. Which of the following conclusions should you draw?
A. Your brother is definitely cheating. B. Your brother is most likely cheating. C. Your brother is probably not cheating. D. Your brother is definitely not cheating.
Due to differences in girdle design, there are more functional muscle groups in the hindlimb than the forelimb
a. true b. false