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Questions and Answers
What is the term for the repetition of part of a chromosome resulting from fusion with a fragment from a homologous chromosome?
What is the term for the repetition of part of a chromosome resulting from fusion with a fragment from a homologous chromosome?
- Inversion
- Translocation
- Deletion
- Duplication (correct)
What is the cause of down syndrome?
What is the cause of down syndrome?
- Duplication
- Translocation
- Inversion
- Nondisjunction (correct)
What is the term for the loss of one or more nucleotides from a gene by mutation?
What is the term for the loss of one or more nucleotides from a gene by mutation?
- Duplication
- Inversion
- Translocation
- Deletion (correct)
Why do abnormal numbers of sex chromosomes not usually affect survival?
Why do abnormal numbers of sex chromosomes not usually affect survival?
What does karyotyping reveal?
What does karyotyping reveal?
Flashcards
Chromosomal Duplication
Chromosomal Duplication
A part of a chromosome is copied and added to the original which can disrupt gene function.
Deletion Mutation
Deletion Mutation
One or more nucleotides are removed from a gene sequence, affecting protein production.
Down Syndrome
Down Syndrome
A problem during cell division causes an extra copy of chromosome 21, leading to a specific set of characteristics.
Sex Chromosome Abnormalities
Sex Chromosome Abnormalities
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Karyotyping
Karyotyping
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