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

3. Extensions to Mendelian Inheritance

Understanding Independent Assortment

Genetics

3. Extensions to Mendelian Inheritance

Understanding Independent Assortment

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Multiple Choice

Which of the following does NOT provide molecular cues that control pattern formation in Drosophila?

Homeotic genes

Maternal effect genes

Segmentation genes

Hemoglobin genes

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Verified step by step guidance

Step 1: Understand the concept of pattern formation in Drosophila. Pattern formation refers to the process by which cells in a developing embryo acquire different identities according to their spatial positions, leading to the organized body plan of the organism.

Step 2: Identify the roles of the gene categories listed: Maternal effect genes provide initial positional information by depositing mRNA or proteins in the egg; Segmentation genes interpret these cues to divide the embryo into segments; Homeotic genes specify the identity of each segment, determining what structures will form there.

Step 3: Recognize that hemoglobin genes are involved in encoding proteins for oxygen transport in blood and do not play a role in embryonic pattern formation or developmental spatial cues.

Step 4: Conclude that among the options, hemoglobin genes do NOT provide molecular cues for pattern formation in Drosophila, unlike the other gene types which are directly involved in establishing the body plan.

Step 5: Summarize that the correct answer is hemoglobin genes because they are unrelated to developmental patterning processes in Drosophila.