Author Question: Evolution can be described as a two-stage process that includes which of the following? a. ... (Read 112 times)

jparksx

  • Hero Member
  • *****
  • Posts: 570
Evolution can be described as a two-stage process that includes which of the following?
 
  a. genetic drift followed by migration
  b. natural selection followed by migration
  c. recombination followed by mutation
  d. production of variation followed by natural selection acting on this variation
  e. production and distribution of variation

Question 2

What does each mitochondrion contain?
 
  a. nuclear DNA
  b. 46 chromosomes
  c. an X but never a Y chromosome
  d. several copies of a ring-shaped DNA molecule, or chromosome
  e. A Y but never an X chromosome



ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

d

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Thyroid conditions may make getting pregnant impossible.

For a complete list of videos, visit our video library