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1. Introduction to Genetics51m
2. Mendel's Laws of Inheritance3h 37m
3. Extensions to Mendelian Inheritance2h 41m
4. Genetic Mapping and Linkage2h 28m
5. Genetics of Bacteria and Viruses1h 21m
6. Chromosomal Variation1h 48m
7. DNA and Chromosome Structure56m
8. DNA Replication1h 10m
9. Mitosis and Meiosis1h 34m
10. Transcription1h 0m
11. Translation58m
12. Gene Regulation in Prokaryotes1h 19m
13. Gene Regulation in Eukaryotes44m
14. Genetic Control of Development44m
15. Genomes and Genomics1h 50m
16. Transposable Elements47m
17. Mutation, Repair, and Recombination1h 6m
18. Molecular Genetic Tools19m
- Genetic Cloning
  9m
- Methods for Analyzing DNA
  9m
19. Cancer Genetics29m
- Overview of Cancer
  21m
- Cancer Mutations
  7m
20. Quantitative Genetics1h 26m
21. Population Genetics50m
- Hardy Weinberg
  19m
- Allelic Frequency Changes
  31m
22. Evolutionary Genetics29m

6. Chromosomal Variation

Chromosomal Mutations: Aneuploidy

Genetics

6. Chromosomal Variation

Chromosomal Mutations: Aneuploidy

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Multiple Choice

Which of the following chromosomal mutations results in a situation in which the chromosome number is either 2n+1 or 2n-1?

Aneuploidy

Inversion

Polyploidy

Translocation

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Verified step by step guidance

Understand the definitions of the chromosomal mutations listed: Aneuploidy, Inversion, Polyploidy, and Translocation.

Recall that Aneuploidy refers to the presence of an abnormal number of chromosomes, specifically when the chromosome number is not an exact multiple of the haploid number (n), such as 2n+1 or 2n-1.

Recognize that Inversion involves a segment of a chromosome being reversed end to end, but does not change the chromosome number.

Know that Polyploidy is a condition where the organism has more than two complete sets of chromosomes (e.g., 3n, 4n), which is different from having one extra or missing chromosome.

Understand that Translocation involves the rearrangement of parts between nonhomologous chromosomes, which also does not change the total chromosome number.