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Questions and Answers
Which of the following statements is true about mitochondrial DNA in babies?
Which of the following statements is true about mitochondrial DNA in babies?
- The mother's oocyte gets a random set of mitochondria. (correct)
- Sperm cells have mitochondria which can cause mitochondrial diseases in infants.
- Mitochondrial DNA in babies is proofread to correct mutations.
- Babies inherit mitochondria from both parents.
Why is the father unlikely to cause or spread mitochondrial diseases to the infant?
Why is the father unlikely to cause or spread mitochondrial diseases to the infant?
- Sperm cells contain only healthy mitochondria.
- Sperm cells contain fewer mitochondria than oocytes.
- Sperm cells do not contain mitochondria. (correct)
- Sperm cells have a better proofreading mechanism for mitochondrial DNA.
What is the consequence of a mother having higher mutagenicity in her mitochondria?
What is the consequence of a mother having higher mutagenicity in her mitochondria?
- The baby will not inherit any mitochondria.
- The baby is less likely to develop mitochondrial diseases.
- The baby will inherit more mitochondria from the father.
- The baby may develop severe conditions. (correct)
How does mitochondrial DNA differ from nuclear DNA in terms of proofreading?
How does mitochondrial DNA differ from nuclear DNA in terms of proofreading?
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Which parent is responsible for passing on mitochondrial DNA to their offspring?
Which parent is responsible for passing on mitochondrial DNA to their offspring?
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What is the risk of inheriting defective mitochondria for a baby?
What is the risk of inheriting defective mitochondria for a baby?
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