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Author Question: Identical twins occur when a(n) _____ divides to form two separate, individual cells. a. gene b. ... (Read 55 times)

APUS57

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on: Jun 22, 2018
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

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Reply #1 on: Jun 22, 2018
Answer to Question 1

b

Answer to Question 2

c


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