Types of Twins and Pregnancy Symptoms

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Questions and Answers

Which type of twins are genetically identical and have the same chromosomes and physical characteristics?

  • Identical twins
  • Monozygotic twins (correct)
  • Dizygotic twins
  • Fraternal twins

What is the main difference between monozygotic and dizygotic twins?

  • Monozygotic twins have the same blood type, hair, and eye color.
  • Monozygotic twins are affected by heredity, maternal age, race, and number of prior pregnancies. (correct)
  • Dizygotic twins are the same sex.
  • Dizygotic twins result from a single fertilized egg dividing into separate halves.

How do fraternal twins form?

  • From a single fertilized egg dividing into separate halves.
  • From two eggs fertilized by two separate sperm. (correct)
  • From two eggs fertilized by a single sperm.
  • From a single egg fertilized by two separate sperm.

Are monozygotic twins more common than dizygotic twins?

<p>No, dizygotic twins are more common. (D)</p> Signup and view all the answers

Can fraternal twins be of the same sex?

<p>Yes, fraternal twins can be of the same sex. (B)</p> Signup and view all the answers

During the first trimester, some women may experience food cravings, while others may experience

<p>Food aversions (A)</p> Signup and view all the answers

What changes occur to a woman's breasts during the first trimester?

<p>They become tender, larger, and heavier (A)</p> Signup and view all the answers

What is a common symptom experienced by women in the early months of pregnancy?

<p>Tiredness (C)</p> Signup and view all the answers

What emotions might a woman feel during her first trimester?

<p>Moody or irritable (B)</p> Signup and view all the answers

If a woman feels down or anxious during her first trimester, what should she do?

<p>Speak with her doctor or midwife (A)</p> Signup and view all the answers

During the first trimester, some women may experience food cravings, while others may experience

<p>Food aversions (B)</p> Signup and view all the answers

What changes occur to a woman's breasts during the first trimester?

<p>They become tender, larger and heavier (A)</p> Signup and view all the answers

What hormone changes may cause moodiness or irritability during the first trimester?

<p>Progesterone (A)</p> Signup and view all the answers

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