Teratogenicity and Fetal Development

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What is the primary focus of the branch of science known as Teratology?

Understanding the development of embryos and causes of fetal anomalies (correct)

Studying fetal anomalies in the first year of life

Examining the role of maternal infections in embryonic development

Investigating the effects of gene-environment interaction

What percentage of malformations in the first year of life are attributed to polygenic multifactorial factors?

50-60%

80-90%

40-50%

65-70% (correct)

Which of the following is NOT a type of genetic disease that contributes to malformations?

New mutations

Sex-linked genetic disease

Mitochondrial genetic disease (correct)

Autosomal genetic disease

Approximately what percentage of malformations are attributed to environmental factors?

10% Signup and view all the answers

Which of the following is an example of a mechanical reason for malformations?

Amniotic band syndrome Signup and view all the answers

What is the result of the interaction between genes and the environment?

Polygenic multifactorial anomalies Signup and view all the answers

What type of genetic disease is responsible for a significant percentage of malformations?

Autosomal genetic diseases Signup and view all the answers

Which of the following is an example of a teratogenic factor?

Radiation Signup and view all the answers

What percentage of malformations are attributed to the combination of genetic and environmental factors?

65-70% Signup and view all the answers

Which of the following is a category of teratogenic factors that includes maternal factors, infections, and mechanical reasons?

Environmental factors Signup and view all the answers

Teratogenicity and Fetal Development

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Questions and Answers

What is the primary focus of the branch of science known as Teratology?

What percentage of malformations in the first year of life are attributed to polygenic multifactorial factors?

Which of the following is NOT a type of genetic disease that contributes to malformations?

Approximately what percentage of malformations are attributed to environmental factors?

Which of the following is an example of a mechanical reason for malformations?

What is the result of the interaction between genes and the environment?

What type of genetic disease is responsible for a significant percentage of malformations?

Which of the following is an example of a teratogenic factor?

What percentage of malformations are attributed to the combination of genetic and environmental factors?

Which of the following is a category of teratogenic factors that includes maternal factors, infections, and mechanical reasons?

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