Module 1 - Congenital & Genetic Disorders/stres

Question 1

Inherited disorders may be caused by

Answer 1

Single gene expression
chromosomal defect
Polygenic expression

Question 2

What are single-gene disorders?

Answer 2

• Trait controlled by one set of alleles

- Transmitted to subsequent generations

Question 3

Chromosomal anomalies are usually caused by an error during

Answer 3

Meiosis

Question 4

What are teratogenic agents?

Answer 4

Agents that cause damage during embryonic or fetal development

Question 5

In recessive disorder’s, how can a child be affected?

Answer 5

Both parents must pass on the defective gene to produce an affected (homozygous) child

Question 6

if a child is heterozygous (one normal gene and one disease gene are present in the pair), then that child is

Answer 6

Is the carrier and shows no clinical signs of disease

Question 7

What are autosomal dominant disorders?

Answer 7

The presence of the defect in only one of the alleles produces clinical expression of the disease