genetic, Biology

Assignment Help:
1. The genes for ruby eyes (rb), tan body (t) and cut wings (ct) are all found on the X-chromosome of Drosophila melanogaster. All of these are recessive traits. They map in the order rb, ct, t with 12.5 map units between rb and ct and 7.5 map units between ct and t. Suppose you cross a cut wing male with a homozygous female that is both tan and has ruby eyes.
a. What will the F1 females look like?
b. Draw map of the section of the X chromosomes that has these 3 genes for the F1 females
c. Assume you testcross your F1 females.
i. What progeny classes would you expect?
ii. Give approximate numbers for each class based on a total of 2000 progeny.
1. Assuming the i=1 and there are no double crossovers.
2. Assuming the i=0 and there are the expected number of double crossovers.


Related Discussions:- genetic

Palliative and corrective procedures for cyanotic congenital, Palliative Pr...

Palliative Procedures   i)  This consists of enlarging the existing for a men ovale by putting a baloon through the defect (baloon septostomy) so that interatrial mixing of blo

Dissociative (conversion) disorders, DISSOCIATIVE  (CONVERSION) DISORDERS: ...

DISSOCIATIVE  (CONVERSION) DISORDERS: There is normally a considerable degree of conscious control over the memories and sensations that can be selected for immediate attentio

Explain adverse effects of valacyclovir, Adverse Effects of Valacyclovir  ...

Adverse Effects of Valacyclovir  Valacyclovir is generally well tolerated; adverse effects are similar to those with acyclovir. GI disturbance, headache, rash, CNS effects such

Phylum arthropoda, PHYLUM ARTHROPODA Definition and Introduction ...

PHYLUM ARTHROPODA Definition and Introduction Bilateral  and protostomial eucoelomate  eumetazoa with metamerically  segmented  and each  segment bearing a pair  of  join

What do you understand by polyp?, What do you understand by Polyp? The ...

What do you understand by Polyp? The sessile, asexual stage in the cnidarian life cycle. In some species they are independent organisms; in others, they form colonies where som

Evaluating the degree of urinary obstruction, Evaluating the degree of urin...

Evaluating the degree of urinary obstruction: D.P. is a 63-year-old man who has been experiencing progressive difficulty with initiating the urinary stream and frequently needs to

Virus, whats ur clear definition of virus

whats ur clear definition of virus

Nitrogen assimilation, The next step in the nitrogen cycle is the assimilat...

The next step in the nitrogen cycle is the assimilation of inorganic nitrogen in the type of ammonia into organic nitrogen-having compounds. Total organisms assimilate  ammonia  by

Nutrition project, what websites can i use to modify my client''s meals?

what websites can i use to modify my client''s meals?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd