This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Most cases of colorblindness result from abnormal recessive genes located on the X chromosome that ... (Read 227 times)

Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
on: Jun 21, 2018
Most cases of colorblindness result from abnormal recessive genes located on the X chromosome that are not duplicated on the Y chromosome. Which of the following statements accurately predicts the outcome for the children of a father with typical genes and a mother with abnormal genes?
 
  a. Half of the couple's daughters, but none of their sons, are likely to be colorblind.
 b. Half of the couple's sons, but none of their daughters, are likely to be colorblind.
 c. None of the couple's children are likely to be colorblind.
 d. All of the couple's children are likely to be colorblind.

Question 2

A characteristic that results from genes on the X chromosome that are not duplicated on the Y chromosomes is referred to as being
 
  a. recessive.
 b. mutated.
 c. an SNP.
 d. sex-linked.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dawsa925

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jun 21, 2018
Answer to Question 1

b

Answer to Question 2

d


Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
Reply #2 on: Jun 21, 2018
Thank you


dawsa925

  • Sr. Member
  • ****
  • Posts: 326
Reply #3 on: Jun 21, 2018
No problem :)


« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Leading Sites of New Cases of Cancer Worldwide, 2012 Leading Sites of New Cases of Cancer Worldwide, 2012
The phenotypes and chromosome compositions of parents The phenotypes and chromosome compositions of parents
Electron micrograph and interpretive drawing of simultaneous transcription of genes in E. coli Electron micrograph and interpretive drawing of simultaneous transcription of genes in E. coli
Female Athlete with a Y Chromosome Female Athlete with a Y Chromosome
Cross-regulatory interactions among gap genes Cross-regulatory interactions among gap genes
Paracentric and pericentric chromosome inversion Paracentric and pericentric chromosome inversion
Video: Dissociative Disorders (Part 1)

For a complete list of videos, visit our video library