Infographic Activity
by Kathleen Stassen Berger

VISUALIZING DEVELOPMENT: One Baby or More?

Sometimes fertilization results in two babies, or even four. This infographic offers a visual approach to understanding the difference between monozygotic and dizygotic twins.

QUIZ

1When one sperm cell fertilizes a single ovum that later splits into two copies of itself, this is called blank twins.
2Martha and Dexter are in the middle of their first pregnancy and know that they are going to have both a girl and a boy. Which of the following statements is true?
Kathleen Stassen Berger, Infographic Activity

Chapter 1. VISUALIZING DEVELOPMENT: One Baby or More?

INFOGRAPHIC

Kathleen Stassen Berger, Infographic Activity
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true
 

1.1 QUIZ

1. Making a diagnosis

_max_tries:1 _feedback_correct: Correct. _feedback_incorrect: Incorrect.

When one sperm cell fertilizes a single ovum that later splits into two copies of itself, this is called ________ twins.

A.
B.
C.
D.

2. Societal Pressures

_max_tries:1 _feedback_correct: Correct. _feedback_incorrect: Incorrect.

Martha and Dexter are in the middle of their first pregnancy and know that they are going to have both a girl

and

a boy. Which of the following statements is true?

A.
B.
C.
D.

3. Societal Pressures

_feedback: Your answer has been provisionally accepted. You'll get full credit for now, but your instructor may update your grade later after evaluating it.

What are the primary differences and similarities between fraternal twins and typical non-twin siblings?