Chromosomal disorders involve abnormality in either the ...

[natalie2426]

Chromosomal disorders involve abnormality in either the ______________ or __________________ of the chromosomes.
 
  A. number; structure
  B. position; duplication
  C. misalignment; placement
  D. deletions; additions

Question 2

Which of the following is a characteristic of fraternal or dizygotic twins?
 
  A. They develop from two sperms fertilizing one ovum.
  B. They are of the same sex and have the same genotype.
  C. They are the result of different eggs and different sperm, yet they share the same uterine environment.
  D. They are more frequently born to young mothers.

[dantucker]

Answer to Question 1

ANS: A

Answer to Question 2

ANS: C

[natalie2426]

Thanks for the timely response, appreciate it

[scottmt]

YES! Correct, THANKS for helping me on my review