Podcast
Questions and Answers
What percentage of people with Down syndrome have the rare form that can be inherited?
What percentage of people with Down syndrome have the rare form that can be inherited?
- 50%
- 4% (correct)
- 1%
- 20%
How does the mother's age affect the risk of having a baby with Down syndrome?
How does the mother's age affect the risk of having a baby with Down syndrome?
- It decreases the risk.
- It has no effect.
- It only affects the father's age.
- It increases the risk. (correct)
At what age does the risk of having a baby with Down syndrome become 1 in 400?
At what age does the risk of having a baby with Down syndrome become 1 in 400?
- 35 (correct)
- 45
- 30
- 40
What is the risk of a mother aged 45 having a baby with Down syndrome?
What is the risk of a mother aged 45 having a baby with Down syndrome?
Most forms of Down syndrome can be described as
Most forms of Down syndrome can be described as
Flashcards
Down Syndrome Inheritance
Down Syndrome Inheritance
Most cases of Down syndrome are not inherited.
Inherited Down Syndrome
Inherited Down Syndrome
A rare type of Down syndrome where extra genetic material is linked to a chromosome.
Maternal Age & Down Syndrome Risk
Maternal Age & Down Syndrome Risk
The chances of a child having Down syndrome increase as the mother's age increases.
Risk at 35
Risk at 35
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Risk at 45
Risk at 45
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Study Notes
Down Syndrome Inheritance
- Most Down syndrome cases are not inherited.
- A rare form of Down syndrome involves extra genetic material on chromosome 21 that can be inherited.
- This inherited form affects only about 4% of people with Down syndrome.
Risk Factors for Down Syndrome
- Risk of Down syndrome increases with the mother's age.
- At age 35, the risk is about 1 in 400.
- At age 45, the risk is 1 in 30.
Factors Affecting Risk
- The provided text does not explain why maternal age increases the risk of Down syndrome.
- The provided text does not address the effect of paternal age.
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Description
This quiz explores the genetic aspects of Down syndrome, focusing on its inheritance patterns and the risk factors associated with maternal age. Understand how the risk changes with age and the rare inherited forms of Down syndrome. Test your knowledge on this important topic.
