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Types of Twins: Monozygotic vs Dizygotic

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Types of Twins: Monozygotic vs Dizygotic

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Questions and Answers

What is the main genetic difference between monozygotic and dizygotic twins?

Monozygotic twins share 25% of their genetic material, while dizygotic twins share 75%.

Monozygotic twins share 100% of their genetic material, while dizygotic twins share only about 50%. (correct)

Monozygotic twins share 50% of their genetic material, while dizygotic twins share 100%.

Monozygotic twins share 75% of their genetic material, while dizygotic twins share 25%.

Which condition can arise when monozygotic twins share a single placenta?

Amniotic sac deficiency

Twin-to-twin transfusion syndrome (correct)

Genetic imbalance disorder

Placenta sharing syndrome

What environmental factors can influence both monozygotic and dizygotic twins?

Mother's age, weight, and lifestyle choices (correct)

Sibling's age, weight, and lifestyle choices

Father's age, weight, and lifestyle choices

Grandparents' age, weight, and lifestyle choices

In terms of appearance and health outcomes, what may contribute to differences between monozygotic twins?

Environmental factors and genetic mutations Signup and view all the answers

How do dizygotic twins develop compared to monozygotic twins?

From two separate eggs fertilized by two different sperm Signup and view all the answers

What is the difference in the genetic material shared by monozygotic and dizygotic twins?

~50% Signup and view all the answers

How do monozygotic twins develop from a genetic standpoint?

~50% shared genetic material due to single fertilization Signup and view all the answers

Which factor may not necessarily contribute to differences in appearance between monozygotic twins?

Food availability Signup and view all the answers

Influence on growth and development of twins can vary based on what factor?

Number of amniotic sacs and placentas they share Signup and view all the answers