Author Question: Identical twins occur when a(n) _____ divides to form two separate, individual cells. a. gene b. ... (Read 31 times)

APUS57

  • Hero Member
  • *****
  • Posts: 571
Identical twins occur when a(n) _____ divides to form two separate, individual cells.
 
  a. gene
  b. fertilized ovum
  c. gamete
  d. autosome

Question 2

As the genetic material in two cells pair up just prior to meiosis, parts of the chromosome are exchanged with a second chromosome. This is called
 
  a. karyotyping.
  b. concordance.
  c. crossing over.
  d. cloning.



lin77x

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

For a complete list of videos, visit our video library