Inherited Disorders and Genetic Screening Quiz

What are inherited disorders?

• Conditions caused by environmental factors

• Diseases that can be passed down through alleles

• Disorders that occur randomly

• Conditions that cannot be inherited

What is the genetic cause of polyactyly?

• An environmental factor

• A mutation in the DNA

• A recessive allele

• A dominant allele

In a genetic diagram for polyactyly, what is the probability of having an offspring with the condition?

• 75%

• 50%

• 25%

• 100%

What type of allele causes cystic fibrosis?

• Recessive

• Codominant

• Dominant

• Incomplete dominant

Who are considered carriers of cystic fibrosis?

• Individuals with two recessive alleles

• Individuals with one dominant and one recessive allele

• Individuals with two dominant alleles

• Individuals with no alleles for the condition

In a genetic diagram for cystic fibrosis, what is the ratio of normal to affected offspring?

• 2:1

• 1:1

• 3:1

• 4:1

What is embryo screening used for?

• To determine the gender of the embryo

• To check for genetic disorders

• To enhance physical traits

• To increase fertility rates

What is one advantage of embryo screening?

• It guarantees a healthy baby

• It reduces the overall amount of suffering

• It increases the number of embryos

• It is a cost-free process

What is a concern related to embryo screening?

• It is illegal in most countries

• It is not effective

• It may lead to increased prejudice

• It is too expensive

What is a potential future concern of embryo screening?

• Higher costs of healthcare

• Increased fertility rates

• Screening for non-health-related traits

• Decreased genetic diversity