Table of contents

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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

A species has 2n = 20. How many chromosomes will be found per mutant cell in an monosomic organism.

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Verified step by step guidance

Understand the concept of monosomy: Monosomy refers to the condition where an organism has one less chromosome than the normal diploid number.

Identify the normal diploid number of chromosomes: The problem states that the species has 2n = 20, meaning the normal diploid number is 20 chromosomes.

Determine the number of chromosomes in a monosomic organism: Since monosomy involves the loss of one chromosome, subtract one from the normal diploid number.

Calculate the number of chromosomes: Subtract 1 from the diploid number (20 - 1) to find the number of chromosomes in a monosomic cell.

Verify the calculation: Ensure that the subtraction is correct and that the concept of monosomy is applied accurately to arrive at the number of chromosomes in the mutant cell.