Logo
Home Study Material Contact Search
AI Chat FREE
  1. sciences
  2. biology
  3. a black haired mouse was crossed to a hairless mou

A black haired mouse was crossed to a hairless mouse. Since it lacked hair, it was...

50.1K

Verified Solution

Question

Biology

A black haired mouse was crossed to a hairless mouse. Since itlacked hair, it was impossible to tell if its hair was black orbrown. All the F1 progeny had black hair. When these F1 progenywere mated among themselves (to obtain the F2 generation), 96 wereblack, 43 were hairless, and 30 were brown

(a) What is the approximate observed phenotypic ratio of theseoffspring? (1 points)

(b) Explain the pattern of inheritance observed here (what arethe genotypes that correspond to the observed phenotypes). Assumethat the two genes involved are called A and B. (4 points)

(c) What are the actual genotypes of the original parents? (2points)

(d) What are the actual genotypes of the F1 black haired mice?(1 point)

(e) What are the actual genotypes and phenotypes of the F2black, hairless, and brown mice, respectively (list all genotypesand phenotypes)? (5 points)

Answer & Explanation Solved by verified expert
4.2 Ratings (638 Votes)
a 96 were black 43 were hairless and 30 were brown total number of progeny 964330169 in a dihybrid cross there are 16 possibilities so divide the total number of progenies with 16 16916105625 the observed ratio is Black brown hairless 9630439128441 to simplify the ratio divide    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

Please prove this and explain each step. Thank you. Use logical reasoning to solve the following...

Advance Math
Q

Studies show that despite the stereotypes, on average, elderly people say they are more satisfied with...

Psychology
Q

Explain in your own words how you would go about developing a behaviorally anchored rating scale

General Management
Q

Financial information follows for...

Accounting
Q

Question 4(25 marks) Access the Almarai 2022 Annual Report and evaluate the Independent...

Accounting
Q

Exerclse 8-21A (Algo) Computing and recording the amortization of Intanglbles LO 8-10, 8-11 Dynamo Manufacturing...

Accounting
Q

An important advantage of the net present value method of capital budgeting over the internal...

Accounting
Q

Boland Company sells a product that is priced at $20 per unit. The per unit...

Accounting
Q

Pina Mills Limited follows IFRS, has a calendar year end, and adopted the policy of...

Accounting
Q

Communications or lack of it !! Without stating so, it appears that Firestone had several...

Accounting
Q

Hybe Corporation is authorized to issue 20,000 shares of P 20 par value ordinary share...

Accounting
Q

Suppose a firm is considering two mutually exclusive equally risky projects with WACC - 10%...

Finance