Which of the following birth anomalies are complex traits?

Question

Quizplus · Accepted Answer

Complex traits are influenced by both genetic and environmental factors, and do not have a clear pattern of inheritance.

A) Congenital heart defects are complex traits because they can be influenced by both genetic factors and environmental factors such as maternal health during pregnancy.

B) Phenylketonuria is a genetic disorder caused by a mutation in a single gene, and therefore is not a complex trait.

C) Cleft lip and palate are complex traits that can be influenced by both genetic and environmental factors such as maternal smoking or alcohol consumption during pregnancy.

D) Congenital skeletal defects, such as scoliosis or hip dysplasia, can be influenced by both genetic and environmental factors and do not have a clear inheritance pattern, making them complex traits.

E) Down syndrome is caused by a specific chromosomal abnormality, and therefore is not a complex trait.

Which of the Following Birth Anomalies Are Complex Traits