here is a question about Genetics genetics_practice_problems.docx - here is a question about Genetics genetics_practice_problems_1 Genetics Practice

Here is a question about Genetics genetics_practice_problems.docx

This preview shows page 1 - 4 out of 7 pages.

Image of page 1
here is a question about Genetics genetics_practice_problems_1.doc Genetics Practice Problems #1- 1. In horses, hair color is controlled by a gene A. The dominant allele A produces black hair; the recessive a gives brown. A second gene B controls hair length, with long hair (B) dominant to short hair (b). A homozygous black, short- haired female horse is mated to a homozygous brown, long- haired male. What will be the genotypes and phenotypes of the F1 generation? Of the F2 generation? 2. In shorthorn cattle, the gene for coat color is an example of incomplete dominance (a heterozygous animal is a color intermediate between the two pure gene colors). A breeder of these cattle has cows that are white and a bull that is roan (a mixture of red and white). What fraction of the calves produced in his herd will be white? Roan? Red? 3. Starting with a roan bull and white cows, as in problem
Image of page 2
2, could the breeder eventually establish a true-breeding red herd? How? 4. In humans, normal skin pigmentation is due to a dominant gene C; its recessive c results in albinism. A normal man marries an albino woman.
Image of page 3
Image of page 4

You've reached the end of your free preview.

Want to read all 7 pages?

  • Fall '16
  • Christopher L. Litten, MA, Ph.D.

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

Stuck? We have tutors online 24/7 who can help you get unstuck.
A+ icon
Ask Expert Tutors You can ask You can ask You can ask (will expire )
Answers in as fast as 15 minutes
A+ icon
Ask Expert Tutors