Podcast
Questions and Answers
What is a characteristic of a gene with pleiotropic effects?
What is a characteristic of a gene with pleiotropic effects?
- It only affects one aspect of an organism's physiology
- It is only found in haploid organisms
- It can affect various aspects of an organism's development or physiology (correct)
- It has a single phenotypic effect
What is the consequence of having multiple alleles for a particular trait in a population?
What is the consequence of having multiple alleles for a particular trait in a population?
- Reduced genetic variation
- Increased genetic variation (correct)
- Only two alleles are possible
- No change in genetic variation
What is the typical number of chromosomes found in human cells?
What is the typical number of chromosomes found in human cells?
- 23
- 46 (correct)
- 48
- 47
What determines an individual's blood group?
What determines an individual's blood group?
What is a characteristic of X-Linked traits?
What is a characteristic of X-Linked traits?
What determines an individual's sex in eukaryotic organisms?
What determines an individual's sex in eukaryotic organisms?
What is the name of the genetic disorder caused by a mutation in the gene that encodes the red blood cell protein called hemoglobin?
What is the name of the genetic disorder caused by a mutation in the gene that encodes the red blood cell protein called hemoglobin?
What is the function of the centromere during cell division?
What is the function of the centromere during cell division?
What is the complex of DNA and proteins that make up the chromosome's structure?
What is the complex of DNA and proteins that make up the chromosome's structure?
What is the term for the presence of more than two alleles for a particular trait in a population?
What is the term for the presence of more than two alleles for a particular trait in a population?
What is the purpose of telomeres?
What is the purpose of telomeres?
What is the result of DNA replication in a chromosome?
What is the result of DNA replication in a chromosome?
What is the cause of Down syndrome?
What is the cause of Down syndrome?
What is the result of nondisjunction during meiosis?
What is the result of nondisjunction during meiosis?
What is the term for an organism having an additional copy of a particular chromosome?
What is the term for an organism having an additional copy of a particular chromosome?
What is the result of Trisomy 21?
What is the result of Trisomy 21?
What is the karyotype of an individual with Trisomy 21?
What is the karyotype of an individual with Trisomy 21?
What is the cause of Edwards Syndrome?
What is the cause of Edwards Syndrome?
What is the potential consequence of duplications in certain genes?
What is the potential consequence of duplications in certain genes?
What is the mechanism by which inversions occur?
What is the mechanism by which inversions occur?
What is the result of the pericentric inversion of chromosome 9?
What is the result of the pericentric inversion of chromosome 9?
What is the consequence of inversions on homologous chromosomes during meiosis?
What is the consequence of inversions on homologous chromosomes during meiosis?
What is the result of the translocation involving chromosomes 9 and 22?
What is the result of the translocation involving chromosomes 9 and 22?
What type of leukemia is associated with the Philadelphia Chromosome?
What type of leukemia is associated with the Philadelphia Chromosome?
What is one of the implications of translocations?
What is one of the implications of translocations?
What is the primary purpose of karyotyping?
What is the primary purpose of karyotyping?
At what stage of cell division are chromosomes typically harvested for karyotyping?
At what stage of cell division are chromosomes typically harvested for karyotyping?
What is the purpose of staining chromosomes in karyotyping?
What is the purpose of staining chromosomes in karyotyping?
What is the final step in the karyotyping process?
What is the final step in the karyotyping process?
What type of sample is typically used for karyotyping?
What type of sample is typically used for karyotyping?