BIOL 121 (2012) Spring Exam 3

If doubly heterozygous ssnn cactuses were allowed to

Info icon This preview shows page 1. Sign up to view the full content.

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

Unformatted text preview: host chromosome. D. The virus preferentially integrates at the sites of active genes. Cactuses with the dominant allele, S, have sharp spines, whereas homozygous recessive ss cactuses have dull spines. Cactuses with the dominant allele, N at an unlinked gene, have spines whereas homozygous recessive nn cactuses have no spines at all. If doubly heterozygous SsNn cactuses were allowed to self- pollinate, the F2 would segregate in which of the following ratios? (4 pts) A. B. C. D. E. F. 9 sharp- spined : 3 dull- spined : 3 sharp and dull spines: 1 spineless 9 sharp- spined : 3 dull- spined : 4 spineless 3 sharp- spined : 1 spineless 1 sharp- spined : 1 dull- spined 1 sharp- spined : 2 dull- spined : 1 spineless 1 sharp spined : 1 dull- spined : 1 spineless 2 BIOL 121 Exam 3 4/23/12 4) NAME: A population consists of 243 AA indivi...
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