The percentage of different colored water boatmen eaten by fish were graphed relative to the frequency of that color in the population. Based on the graph, a population of water boatmen would _____
A. increase in rare genotypes.
B. have no variation in genotype frequencies.
C. lose rare genotypes.
D. increase in size.
E. decrease in genetic variability.
A. increase in rare genotypes.
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Which of the following research questions would a population geneticist be likely to ask?
A. How much genetic variability is found in sperm whales? B. How can we explain the amount of genetic diversity in Adelie penguins? C. Why do some species have more genetic diversity than others? D. All of the above are questions a population geneticist may ask.
Angelman syndrome is associated with a deletion in a paternal chromosome or presence of two maternal chromosomes.
Answer the following statement(s) true (T) or false (F)
The peptide bond is _____.
A. a hydrogen bond B. an ionic bond C. a covalent bond D. a van der Waals interaction E. none of the above
Why is DNA replication essential for a cell?
a. An organism must copy its DNA to pass genetic information to its offspring. b. All organisms require two copies of DNA. c. It allows the organism to repair any mistakes. d. Because DNA is double-stranded.