« previous next »

Author Question: In a study of twins, a researcher finds that 40 percent of dizygotic (DZ) twins and 40 percent of ... (Read 121 times)

tnt_battle

  • Hero Member
  • *****
  • Posts: 556
on: Jun 22, 2018
In a study of twins, a researcher finds that 40 percent of dizygotic (DZ) twins and 40 percent of monozygotic (MZ) twins share a trait. What is the researcher most likely to conclude about the trait?
 
  a. It is 40 percent concordant.
  b. It is 60 percent concordant.
  c. It is genetically determined.
  d. It is not genetically determined.

Question 2

What is the most likely cause of a disorder if both monozygotic and dizygotic twins show a high concordance rate?
 
  a. recessive genes
  b. dominant genes
  c. different environmental experiences
  d. shared environmental experiences


Anna

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: d.

Answer to Question 2

Answer: d.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

study study
Model of a sequential study in which two cohorts were followed beginning at age 20. One cohort was f Model of a sequential study in which two cohorts were followed beginning at age 20. One cohort was f
How would you rate your overall health?” The percent of adults answering “excellent” or ... How would you rate your overall health?” The percent of adults answering “excellent” or ...
Pregnancy with twins الحمل بتؤام Pregnancy with twins الحمل بتؤام
Heartfelt Forgiveness Study Heartfelt Forgiveness Study
Sensitivity study for facial difference Sensitivity study for facial difference
Video: Five phases of cardiac cycle & Atrial contraction

For a complete list of videos, visit our video library