Table of contents

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 Rearrangements: Translocations

Genetics

6. Chromosomal Variation

Chromosomal Rearrangements: Translocations

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Multiple Choice

Which of the following represents the chromosomal segregation into gametes after a reciprocal translocation caused by adjacent-1 segregation? N=Normal chromosome T = Tanslocated chromosome

(N2 T1) and (N1 T2)

(N1 T1) and (N2 T2)

(T1 T2) and (N1 N2)

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Verified step by step guidance

Understand the concept of reciprocal translocation: This is a chromosomal abnormality caused by the exchange of segments between two non-homologous chromosomes. It can lead to different segregation patterns during meiosis.

Learn about adjacent-1 segregation: In this type of segregation, non-homologous centromeres go to the same pole during meiosis, resulting in gametes that have one normal and one translocated chromosome from each pair.

Identify the chromosomes involved: In the problem, N1 and N2 represent normal chromosomes, while T1 and T2 represent translocated chromosomes.

Apply the adjacent-1 segregation pattern: This pattern results in gametes that contain one normal chromosome and one translocated chromosome from each pair, leading to combinations like (N2 T1) and (N1 T2).

Compare the options: Evaluate the given options to determine which one matches the expected outcome of adjacent-1 segregation, which is (N2 T1) and (N1 T2).