Ask Biology Expert

There are two different genes in cantaloupe that affect fruit shape (Gene S) and fruit color (Gene C). The dominant wild-type fruit color in cantaloupe is orange, and is coded for by the allele "s+". A mutant recessive color-allele "s" causes the fruit to be purple in a homozygous state. Wild-type cantaloupes are oblong and have at least one dominant allele "c+", while cantaloupes having two copies of the recessive mutant allele "c" are cube-shaped (it's true... look it up... perfectly cube-shaped). Consider the testcross s+s c+c X sscc. Such a cross produces the following progeny:

Fruit Color Fruit Shape Observed
progeny
Orange Cube 423
Orange Oblong 67
Purple Cube 72
Purple Oblong 438
Total:

How many purple, cube progeny would be expected if the two genes were unlinked?
a. 0
b. 250
c. 333
d. 500
e. none of the above.

Are the two genes linked to one another? In order to ask this question, one would calculate a chi-square test statistic to see whether or not the observed progeny phenotypes are significantly different from the expected progeny phenotypes. The chi-square test statistic calculated from the above observed:expected progeny arrays is (to the nearest whole number):

198
347
430
522
none of the above

From the chi-square test statistic, you can use your provided table of chi-square critical values to determine a p-value. Is the p-value less than 0.05, and if so, what does that mean?

yes, the genes are linked to one another.
yes, the genes are unlinked.
no, the genes are not linked to one another.
no, the genes are unlinked.
none of the above.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M9468243

Have any Question?


Related Questions in Biology

Case study question -case study - mary 21 years old

Case Study Question - Case Study - Mary, 21 years old, presented to the hospital emergency department with an infected laceration on her left foot. Mary was at a beach resort four days ago, when she trod on a broken glas ...

Assignment -the upper-case blue letters are the 14th exon

Assignment - The upper-case, blue letters are the 14th exon (of 20) in the Hephl1 gene in mice. The lower-case (black) letters are from the flanking introns.  The highlighted bases indicate primers that may be used to ge ...

Question - a pure strain of mendels peas dominant for all

Question - A pure strain of mendel's peas, dominant for all seven of his independently assorting genes, was testcrossed. How many different kinds of gametes could the F1 PRODUCE?

Igfbp2 rbp4 and factor d post bariatric surgeryigfbp2 what

IGFBP2/ RBP4 and Factor D Post Bariatric Surgery IGFBP2 ( what the normal physiological action in the body? And how it affectedby obesity? andpost bariatric surgery?) RBP4 (what the normal physiological action in the bod ...

Assignment on nutrition - q1 task you need to select 2

Assignment on Nutrition - Q1. Task: You need to select 2 different age groups of your choice. You will need to plan balanced meals with snacks for a day. Once you have laid out the meal plan you need to: Explain why the ...

Question - gene cloning a please write the steps to clone

Question - Gene Cloning a) Please write the steps to clone the protease gene from Bacillus strain whose genome sequence is not known. b) Express the protease gene to obtain the enzyme in high yield, please plan your prot ...

Instructions address each question below as it relates to

Instructions: Address each question below as it relates to the caw study given. A patient was brought to the Emergency Department by ambulance with two arrow wounds. One arrow is still in the patient on the left side; en ...

Use of molecular tools and bioinforrnatics in the diagnosis

Use of Molecular Tools and Bioinforrnatics in the Diagnosis Characterization of Enteric Pathogens from a Case Study Purpose: The purpose of this project is to familiarize the student with modern molecular tools and bioin ...

Experiment 1 staining video1 open the media player by

Experiment 1: Staining Video 1. Open the Media Player by clicking on the film-strip button in the lower left of the lab's window frame, as shown below. The Media Player is a repository of images, videos, saved snapshots, ...

Chosen dr jan nolta- stem cell researcher head of uc davis

Chosen Dr. Jan Nolta- Stem Cell Researcher Head of UC Davis Stem Cell Program Director Topic Background: early Stem cells have the ability to develop into many different types of cells. Stem Cell Research is not without ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As