This topic contains a solution. Click here to go to the answer

Author Question: The sickle cell allele is spread through the population in West Africa and maintained at a high ... (Read 564 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!

Question 1

The out-of-Africa model states that Homo sapiens arose from a single population in Africa about ____________________ years ago.
◦ 200,000
◦ *

Question 2

The sickle cell allele is spread through the population in West Africa and maintained at a high frequency due to ____________________ advantage.
◦ heterozygote
◦ *


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by WWatsford on Jul 17, 2021

tanna.moeller

  • Sr. Member
  • ****
  • Posts: 328
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 29% of students answer this correctly




WWatsford

  • Member
  • Posts: 539
Reply 2 on: Jul 17, 2021
Thanks for the timely response, appreciate it


sultansheikh

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

For a complete list of videos, visit our video library