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

Define the beer''s law - nutritional biochemistry, Define the Beer's Law -...

Define the Beer's Law - Nutritional  Biochemistry? Beer's law states that the concentration of a substance is directly proportional to the amount of light absorbed or inversely

Explain how a human eye is working for the body, Explain how a human eye is...

Explain how a human eye is working for the body. Every tissue in the body requires basic components which are either derived from the body itself or we acquire them from extern

Explain advantages of using bacteria as a source of protein, Bacteria:- ...

Bacteria:- Advantages High yield of protein (60-80%) Can be grown on paraffin, cellulose waste and molasses. Growth rate is fast. Disadvantages  If the bacteri

Life cycle of sporozoans, Life cycle of sporozoans The complex life cy...

Life cycle of sporozoans The complex life cycle of sporozoans typically involves an asexual and a sexual phase. Sporozoans are haploid except for the zygote. The zygote underg

Functions of endosperm, Functions of Endosperm The tissue of young en...

Functions of Endosperm The tissue of young endosperm is rich in food materials and various growth hormones. It regulates the precise mode of embryo development and nourishes

Define regulation and excretion of sodium and chloride, Define Regulation a...

Define Regulation and Excretion of sodium and chloride? Renal excretion and retention of these elements is closely regulated. The total content of body sodium especially the co

What is the central dogma of molecular biology, What is the central dogma o...

What is the central dogma of molecular biology? Succinctly (and clearly) describe the concept.

Illustrate about the primary minerals, Illustrate about the primary mineral...

Illustrate about the primary minerals The minerals originally formed when once -heated magma (molten rock) cooled and formed solid igneous rocks (explained below) are called as

What are enantiomers, Enantiomers: Select one: a. Have the same molec...

Enantiomers: Select one: a. Have the same molecular weight b. Have the same connectivity c. Are mirror images d. Are non-superimposable e. All of the above

Permanent wilting percentage (pwp), Permanent Wilting Percentage (PWP) ...

Permanent Wilting Percentage (PWP) It is the percentage of moisture in the soil at which a plant wilts and does not recover unless water is added to the soil. PWP for clay is

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