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

Author Question: Most researchers accept an estimate of __________ to __________ years ago for a date for the Y ... (Read 38 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
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
Answer to Question 1

Answer d

Answer to Question 2

Answer b




Kthamas

  • Member
  • Posts: 546
Reply 2 on: Jul 10, 2018
Great answer, keep it coming :)


bblaney

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

For a complete list of videos, visit our video library