Many lung ailments are "not curable but treatable." Which of the following conditions is most curable?
Select one:
a. advanced lung cancer with metastases
b. standard tuberculosis
c. asthma
d. emphysema
e. COPD
b. standard tuberculosis
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If a human diploid cell and a human haploid cell somehow managed to fuse together and not lose any of the chromosomes, how many sets of chromosomes would be inside the newly formed cell?
A. 1.5 B. 3 C. 2 D. 2.5
Why do African populations of humans have higher levels of genetic variation compared to non-African populations?
A. Humans originated in Africa, and subsequent migrations resulted in populations seeded by small groups with relatively small amounts of variation. B. Because African populations show strong patterns of assortative mating. C. Numerous migrations to Africa throughout early human history has increased genetic diversity there. D. High levels of UV radiation in equatorial regions of the world have increased levels of genetic mutations in Africa.
Male peacocks have tail feathers that make up 60% of their body length. During the mating season they fan their tails and shake these feathers in front of females. Females evaluate the tail shaking behavior as part of selecting their mate
Which of the behaviors below is most likely to have been the original behavior that, through natural selection, resulted in this mate choice behavior of tail shaking? A. flight B. sound production with the larynx C. grooming feathers with the beak D. involuntary muscle contraction like shivering E. head movement to make eye contact
Identify the contribution of Walter Sutton and Theodore Boveri to the science of genetics and explain its importance. What will be an ideal response?