Type of Genetic Disorders and Inheritance Patterns

Question 1

• Congenital:

Answer 1

: disorders present at birth; may be genetic or occur due to environmental factors affecting embryonic or fetal development

Question 2

Under Congenital:

o Genetic disorder:

Answer 2

inherited through the DNA; may or may not be evident at birth

Question 3

Under Congenital:

o Developmental:

Answer 3

disorders that occur during development of the embryo and fetus (not passed to offspring)

Question 4

• Single gene disorder

Answer 4

caused by a defect in one gene; signs may not be present a birth, may be inherited in a dominant or recessive fashion

Question 5

• Chromosomal defect:

Answer 5

an error in the chromosome, where genes may be displaced or lost, altering the genetic information; frequently happens during mitosis, may be too many or not enough chromosomes

Question 6

• Multifactorial:

Answer 6

involve several genes, and possibly also environmental factors; Family tendencies