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
- 19. Cancer Genetics29m
- 20. Quantitative Genetics1h 26m
- 21. Population Genetics50m
- 22. Evolutionary Genetics29m
4. Genetic Mapping and Linkage
Mapping Genes
3:53 minutes
Problem 33b
Textbook Question
Textbook QuestionDNA sequences for 10 individuals are
Nucleotide Position
1 5 10
Person 1 ...GACCTATTGC...
Person 2 ...GAACTATTGC...
Person 3 ...GACCTTTTGC...
Person 4 ...GACCTATTGC...
Person 5 ...CAACTATTGC...
Person 6 ...GACCTTTTGC...
Person 7 ...CAACTATTGC...
Person 8 ...GACCTATTGC...
Person 9 ...CAACTATTGC...
Person 10 ...GAACTATTGC...
What is the sequence of each haplotype?
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Haplotype
A haplotype is a group of genes within an organism that are inherited together from a single parent. It refers to a specific combination of alleles or a set of single nucleotide polymorphisms (SNPs) on a single chromosome. Understanding haplotypes is crucial for analyzing genetic variation and inheritance patterns among individuals, as they can provide insights into ancestry and disease susceptibility.
Nucleotide Sequence
A nucleotide sequence is the order of nucleotides in a DNA molecule, which is composed of adenine (A), thymine (T), cytosine (C), and guanine (G). This sequence encodes genetic information and determines the traits of an organism. In the context of the question, analyzing the nucleotide sequences of individuals helps identify variations that contribute to different haplotypes.
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Genetic Variation
Genetic variation refers to the differences in DNA sequences among individuals within a population. This variation can arise from mutations, gene flow, and sexual reproduction, and it is essential for evolution and natural selection. In the provided sequences, identifying genetic variations helps determine the distinct haplotypes present among the individuals, which is key to understanding their genetic relationships.
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