Animal research shows that a variety of environmental influences ...

[Tirant22]

Animal research shows that a variety of environmental influences prompt monozygotic twinning, including __________.
 
  A) early fertilization of the ovum
  B) young maternal age
  C) variation in oxygen levels
  D) poor diet

Question 2

A zygote that separates into two clusters of cells instead of just one produces __________.
 
  A) identical twins
  B) dizygotic twins
  C) triplets
  D) triple X syndrome

[Cheesycrackers]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: A