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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

8. DNA Replication

Overview of DNA Replication

Genetics

8. DNA Replication

Overview of DNA Replication

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Multiple Choice

The copying of the information in DNA is efficient because:

the entire DNA molecule is copied at once without the need for any enzymes

each strand of the DNA molecule serves as a template for the synthesis of a new complementary strand

DNA polymerase can synthesize DNA in both the 5' to 3' and 3' to 5' directions equally well

replication only occurs at a single origin of replication in all organisms

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Verified step by step guidance

Understand the process of DNA replication, which involves copying the genetic information accurately to ensure proper cell function and inheritance.

Recall that DNA is double-stranded, with each strand complementary to the other, meaning the sequence of bases on one strand determines the sequence on the other.

Recognize that during replication, the two strands separate, and each original strand serves as a template for synthesizing a new complementary strand, ensuring fidelity in copying.

Know that enzymes like DNA polymerase are essential for adding nucleotides to the new strand, but DNA polymerase can only synthesize DNA in the 5' to 3' direction, not both directions equally.

Note that replication starts at specific sites called origins of replication, and in many organisms, there are multiple origins to speed up the process, not just a single origin.