Data in the accompanying figure shows the results of allelic frequency analysis of an insect-pollinated plant whose seeds are transported by wind and water, therefore making this plant one of the first colonizers of new islands
The data?particularly the lower variation of allele frequencies of intermediate-aged populations?supports the hypothesis that ________. A) genetic drift tends to homogenize populations
B) migration tends to homogenize populations
C) gene flow tends to homogenize populations
D) A, B, and C are all accurate.
E) B and C are both accurate.
E
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It is currently estimated by the American Cancer Society that only about 10% of all people with melanoma have a family history of the disease. What factors might contribute to the development of melanoma in the other 90% of patients?
A. exposure to solar radiation B. mutations in a melanocyte C. exposure to environmental mutagens D. All of the answer choices are correct. E. None of the answer options is correct.
Fungi can reproduce both sexually and asexually.
Answer the following statement true (T) or false (F)
Antibodies enhance ____ of bacteria and viruses because cells, such as macrophages, have receptors on their surfaces
that recognize the ____ end of antibodies.
a. phagocytosis; heavy-chain b. phagocytosis; antigen-binding c. neutralization; heavy-chain d. neutralization; light-chain e. phagocytosis; light-chain
Which is false concerning NREM parasomnias?
-disorders of arousal occur during the first third of the night -disorders of arousal are the most prevalent of the NREM parasomnias -Individuals typically have a vivid recollection of the NREM parasomnia event in the morning -these types of parasomnias are best conceptualized as partial or incomplete arousals from deep sleep