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

Author Question: Most researchers accept an estimate of __________ to __________ years ago for a date for the Y ... (Read 75 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
on: Jul 10, 2018
Most researchers accept an estimate of __________ to __________ years ago for a date for the Y chromosome MRCA.
 
  a. 320,000, 400,000
  b. 220,000, 280,000
  c. 170,000, 250,000
  d. 100,000, 180,000

Question 2

In 2000, Max Ingman and his colleagues confirmed that three of the deepest branches of the phylogenetic tree were exclusively __________.
 
  a. North American
  b. African
  c. Middle Eastern
  d. Eurasian


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

swimkari

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 10, 2018
Answer to Question 1

Answer d

Answer to Question 2

Answer b


Kthamas

  • Member
  • Posts: 546
Reply 2 on: Jul 10, 2018
Wow, this really help

Jsherida

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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?

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

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Discipline-specific training can take years to perfect. Discipline-specific training can take years to perfect.
Results from sequential study of two cohorts tested at three ages and at three different points in t Results from sequential study of two cohorts tested at three ages and at three different points in t
The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take
Cyanobacteria from 850 million years ago (Photo 2) Cyanobacteria from 850 million years ago (Photo 2)
Video: Gastrin (protein digestion)

For a complete list of videos, visit our video library