Which of the following does not inactivate an X chromosome?
A. Mammals
B. Drosophila
C. C. elegans
D. Marsupials
B
You might also like to view...
The ecological model that random recruitment from the larval pool leads to high reef fish diversity is called:
a. competition model. b. predation disturbance model. c. lottery model. d. resource limitation model. e. optimal foraging model.
As the difference in reduction potential between a redox pair increases, the amount of free energy made available ________.
A. increases B. decreases C. remains the same D. cannot be determined
Which of the following was NOT one of
Darwin's observations? a. Most individuals have an equal chance to survive and reproduce. b. Changes in populations are gradual and take place over long periods of time. c. Members of the same species may exhibit considerable variation. d. Some characteristics are heritable and passed on to offspring. e. Some characteristics afford their possessor a better chance of survival.
Leukocytes at the infected site are a symptom of
A) Gardnerella vaginosis. B) genital herpes. C) candidiasis. D) trichomoniasis. E) lymphogranuloma venereum.