Podcast
Questions and Answers
What is the consequence of non-disjunction during meiosis?
What is the consequence of non-disjunction during meiosis?
- Gametes with an abnormal number of chromosomes (correct)
- Enhanced cognitive abilities in offspring
- Improved hearing in offspring
- Increased muscle tone in offspring
Which chromosome abnormality can result in Down Syndrome?
Which chromosome abnormality can result in Down Syndrome?
- Extra copy of chromosome 21 (trisomy 21) (correct)
- Additional copy of chromosome 1
- Extra copy of chromosome 23
- Missing chromosome 21
Why are older parents advised to undergo prenatal testing like amniocentesis?
Why are older parents advised to undergo prenatal testing like amniocentesis?
- To predict the gender of the baby accurately
- To check if the baby will be left-handed or right-handed
- To detect chromosomal abnormalities in the fetus due to increased risk from non-disjunction (correct)
- To determine the eye color of the baby
What characteristic distinguishes individuals with Down Syndrome?
What characteristic distinguishes individuals with Down Syndrome?
How does non-disjunction lead to Down Syndrome?
How does non-disjunction lead to Down Syndrome?
What is the result of non-disjunction during Anaphase II?
What is the result of non-disjunction during Anaphase II?
Which type of chromosome mutation can lead to Down Syndrome?
Which type of chromosome mutation can lead to Down Syndrome?
Why are older parents, especially mothers, advised to undergo prenatal testing?
Why are older parents, especially mothers, advised to undergo prenatal testing?
What genetic condition is characterized by an extra chromosome 21?
What genetic condition is characterized by an extra chromosome 21?
How does non-disjunction contribute to the likelihood of Down Syndrome?
How does non-disjunction contribute to the likelihood of Down Syndrome?
What specific maternal age factor increases the likelihood of non-disjunction?
What specific maternal age factor increases the likelihood of non-disjunction?
Why are older parents advised to undergo prenatal testing like amniocentesis?
Why are older parents advised to undergo prenatal testing like amniocentesis?
What is characteristic of individuals with Down Syndrome?
What is characteristic of individuals with Down Syndrome?
What is the specific error known as non-disjunction in meiosis?
What is the specific error known as non-disjunction in meiosis?
How many chromosomes are present in a gamete resulting from non-disjunction of chromosome pair 21?
How many chromosomes are present in a gamete resulting from non-disjunction of chromosome pair 21?
What is the genetic condition resulting from an extra copy of chromosome 21?
What is the genetic condition resulting from an extra copy of chromosome 21?
In humans, which parental age factor increases the likelihood of non-disjunction?
In humans, which parental age factor increases the likelihood of non-disjunction?
What is the outcome when an abnormal gamete (with 24 chromosomes) fuses with a normal gamete (with 23 chromosomes)?
What is the outcome when an abnormal gamete (with 24 chromosomes) fuses with a normal gamete (with 23 chromosomes)?
What specific phase of meiosis does non-disjunction primarily occur in?
What specific phase of meiosis does non-disjunction primarily occur in?
What is the result of non-disjunction during Anaphase I?
What is the result of non-disjunction during Anaphase I?
What type of testing is recommended for older parents to detect chromosomal abnormalities in the fetus?
What type of testing is recommended for older parents to detect chromosomal abnormalities in the fetus?
