Author Question: Sickle cell disease is caused by a genetic mutation and, when untreated, results in disability and ... (Read 145 times)

khang

  • Hero Member
  • *****
  • Posts: 569
Sickle cell disease is caused by a genetic mutation and, when untreated, results in disability and early death. However, the mutation that causes sickle cell disease is associated with protection against malaria, especially early in life. As a result, you would expect to see sickle cell disease ____.
 
  a. eradicated as quickly as malaria is eradicated
  b. occur predominantly in populations that have historically low rates of malaria and similar diseases
  c. occur at similar rates in all populations, since malaria can be found anywhere mosquitoes, which transmit malaria, are found
  d. occur at higher rates among populations whose genetic heritage can be traces to areas with a high incidence of malaria

Question 2

People's feelings tend to be hurt the most when they receive a clear sign from another person that the person ____.
 
  a. does not care as much as they do about the relationship
  b. is not investing as much as they are in the relationship
  c. is disappointed in them
  d. is angry with them



joshbk44

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

D

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library