What are the predicted phenotypes of the male children from the union of a woman who is heterozygous for
hemophilia and a man who has normal blood clotting characteristics? (Use the Punnett square to verify your answer.)
a. all normal
b. 3 normal : 1 hemophilia
c. 1 hemophilia : 1 normal
d. 1 hemophilia : 3 normal
e. all hemophiliacs
c
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Based on the graph, what are the optimal temperatures for the human enzyme and hotsprings prokaryote enzyme?
A. The optimal temperature for the human enzyme is 30 degrees C. The optimal temperature for the hotsprings prokaryote enzyme is 60 degrees C.
B. The optimal temperature for the human enzyme is 40 degrees C. The optimal temperature for the hotsprings prokaryote enzyme is 72 degrees C.
C. The optimal temperature for the human enzyme is 46 degrees C. The optimal temperature for the hotsprings prokaryote enzyme is 79 degrees C.
D. The optimal temperature for the human enzyme is 35 degrees C. The optimal temperature for the hotsprings prokaryote enzyme is 65 degrees C.
If the age structure of a country's population is balanced, what prediction can be made about the near future?
A. The birth rate will decline. B. The death rate will decline. C. The population will not increase rapidly. D. The population will increase rapidly. E. The demographic transition will begin.
Are humans the only organism with vestigial traits?
What would be an ideal response?
What are the protein-binding sequences that direct enhancers to interact with the intended promoter and that block communication between enhancers and other promoters?
What will be an ideal response?