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

Author Question: In twin studies the key comparison involves determining how many pairs of twins either have the same ... (Read 121 times)

swpotter12

  • Hero Member
  • *****
  • Posts: 527
on: Jun 22, 2018
In twin studies the key comparison involves determining how many pairs of twins either have the same disorder or are free of the disorder; this involves the calculation of
 
  a. discordance rates.
  b. concordance rates.
  c. shared environment rates.
  d. nonshared environment rates.

Question 2

Similar concordance rates for a given trait in monozygotic (MZ) and dizygotic (DZ) twins suggests that the trait may be due to
 
  a. genetic causes.
  b. endocrine causes.
  c. environmental causes.
  d. phonotypical causes.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

diana chang

  • Sr. Member
  • ****
  • Posts: 288
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: b.

Answer to Question 2

Answer: c.


swpotter12

  • Member
  • Posts: 527
Reply 2 on: Jun 22, 2018
Great answer, keep it coming :)

lindahyatt42

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

A comparison of gradualism and punctuated equilibrium. A comparison of gradualism and punctuated equilibrium.
Comparison of the level of skin damage as a result of the three different degrees of burns. Comparison of the level of skin damage as a result of the three different degrees of burns.
Comparison of the chemical structures of psilocybin and LSD. Psilocybin (left) is derived from a mus Comparison of the chemical structures of psilocybin and LSD. Psilocybin (left) is derived from a mus
The 31 pairs of spinal nerves. The 31 pairs of spinal nerves.
Comparison of A-type Climates Comparison of A-type Climates
Comparison of traits associated with r-selection and K-selection Comparison of traits associated with r-selection and K-selection
Video: Mechanisms of capillary exchange (transcytosis & bulk flow)

For a complete list of videos, visit our video library