Podcast
Questions and Answers
What is the result of failed homologous chromosomes recombination during meiosis I?
What is the result of failed homologous chromosomes recombination during meiosis I?
- Chromosome missegregation (correct)
- Normal chromosomal combination
- Chromosomal structural rearrangements
- Genome instability in cancer
What type of chromosomal structural rearrangement results in a gain or loss of genetic material?
What type of chromosomal structural rearrangement results in a gain or loss of genetic material?
- Balanced inversion
- Unbalanced rearrangement (correct)
- Unbalanced inversion
- Balanced translocation
What is the term for a chromosome with two identical arms?
What is the term for a chromosome with two identical arms?
- Isochromosome (correct)
- Monosomy
- Translocation
- Trisomy
What is the term for a chromosomal structural rearrangement involving a change in the orientation of a segment of a chromosome?
What is the term for a chromosomal structural rearrangement involving a change in the orientation of a segment of a chromosome?
What is the term for a chromosomal abnormality where a person has an extra copy of a particular chromosome?
What is the term for a chromosomal abnormality where a person has an extra copy of a particular chromosome?
What is the name of the process in which the chromosome number is reduced by half in meiosis?
What is the name of the process in which the chromosome number is reduced by half in meiosis?
During which stage of meiosis do homologous chromosomes synapse?
During which stage of meiosis do homologous chromosomes synapse?
What is the percentage of the genome that actually encodes proteins?
What is the percentage of the genome that actually encodes proteins?
What is the result of an isochromosome?
What is the result of an isochromosome?
What is the term for the condition where there is an extra copy of a part of a chromosome?
What is the term for the condition where there is an extra copy of a part of a chromosome?
What is the main component of functional centromeres and forms the main structural constituent of heterochromatin?
What is the main component of functional centromeres and forms the main structural constituent of heterochromatin?
What type of translocation involves the exchange of segments between two non-homologous chromosomes?
What type of translocation involves the exchange of segments between two non-homologous chromosomes?
What is the outcome of mitosis in somatic cells?
What is the outcome of mitosis in somatic cells?
What is the term for the loss of part of a chromosome?
What is the term for the loss of part of a chromosome?
What is the term for a chromosomal abnormality where a segment of a chromosome breaks off and reattaches to the same chromosome, but in reverse order?
What is the term for a chromosomal abnormality where a segment of a chromosome breaks off and reattaches to the same chromosome, but in reverse order?
What is the result of a duplication of a chromosome segment?
What is the result of a duplication of a chromosome segment?
What is the consequence of having a single copy of genetic material that normally requires two copies to function?
What is the consequence of having a single copy of genetic material that normally requires two copies to function?
What is the term for the loss of a chromosome segment, causing a chromosome imbalance?
What is the term for the loss of a chromosome segment, causing a chromosome imbalance?
What is the result of a deletion of a chromosome segment?
What is the result of a deletion of a chromosome segment?
What is the term for a chromosome with a deletion at the end of a chromosome?
What is the term for a chromosome with a deletion at the end of a chromosome?
