« previous next »

Author Question: In a study of twins, a researcher finds that 40 percent of dizygotic (DZ) twins and 40 percent of ... (Read 85 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?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

The Abecedarian study was designed to help very low-income African American children prepare for ... The Abecedarian study was designed to help very low-income African American children prepare for ...
Monozygotic twins’ scores for five personality factors show higher correlations than scores for ... Monozygotic twins’ scores for five personality factors show higher correlations than scores for ...
Do you know how many calories are in your chips-and-soda “study snack”? Do you know how many calories are in your chips-and-soda “study snack”?
Study egocentrism in children Study egocentrism in children
Martorano's cross-sectional study Martorano's cross-sectional study
Results of a genome-wide association study (GWAS) to detect SNPs Results of a genome-wide association study (GWAS) to detect SNPs
Video: The primary factors that affect circulation - MABP, CO and SVR

For a complete list of videos, visit our video library