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

1. Introduction to Genetics

Fundamentals of Genetics

Genetics

1. Introduction to Genetics

Fundamentals of Genetics

0:40 minutes

Problem 10g

Textbook Question

Define each of the following terms:

antiparallel

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Antiparallel Structure

Antiparallel refers to the orientation of two strands of DNA or RNA that run in opposite directions. In DNA, one strand runs from the 5' to 3' direction, while the complementary strand runs from 3' to 5'. This arrangement is crucial for the base pairing and replication processes, as it allows enzymes to function correctly during DNA synthesis.

DNA Double Helix

The DNA double helix is the structural configuration of DNA, consisting of two antiparallel strands coiled around each other. This helical structure is stabilized by hydrogen bonds between complementary bases (adenine with thymine, and cytosine with guanine). Understanding the double helix is essential for grasping how genetic information is stored and transmitted.

Base Pairing

Base pairing is the specific hydrogen bonding between nucleotide bases in DNA and RNA. In DNA, adenine pairs with thymine, and cytosine pairs with guanine, while in RNA, adenine pairs with uracil. This concept is fundamental for understanding how genetic information is replicated and expressed, as it ensures accurate copying of the genetic code.

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