Quiz2_key_Feb16 - has little to no effect on the same...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Discussion Quiz 2 1) What is the best definition of "mutation"? A) Any change in the genes leading to birth defects. B) A conversion from a dominant allele into a recessive one. C) A heritable change in the genetic code leading to changes in gene frequencies. D) Any loss of DNA due to nondisjunction. E) A change in the genetic code. This was not the best question and both answers were accepted 2) Which of the following are assumptions of the Hardy-Weinberg equilibrium? I) No genetic drift. II) No random mating. III) No mutation. 3). A farmer sprays his crop with an new insecticide that annihilates all but a few of the target population of insects. He continues to use the insecticide and several years later notices the population is back in full force but the insecticide
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: has little to no effect on the same target population. This is an example of A. Stabilizing selection B. Directional selection C. Disruptive selection D. Constant selection E. None of the above 4. While directional selection favors __________ , stabilizing selection favors ___________. A. intermediate individuals, an extreme phenotype B. two extreme forms, an extreme phenotype C. intermediate individuals, two extreme forms D. an extreme phenotype, intermediate individuals E. none of the above 5. Genetic drift is likely to be seen in a population: I) That is very small. II) That has a high mutation rate. III) In which there is high rate of mating between relatives. A) I only B) I and II. C) I and III. D) II and III. E) E) I, II and III....
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern