Biology# 1. Genomic Features 2. Subsystems of Cells 2.1. Support and Movement System 2.2. Energy Metabolism System 2.3. mass metabolism system 2.4. signalling system 2.5. DNA operation system 3. RNA Sequencing 3.1. Bulk RNA Sequencing 3.1.1. RNA Isolation 3.1.2. Library Preparation 3.1.3. Sequencing 3.1.4. Quality Control of Data 3.1.5. Reads Mapping and Counting 3.1.6. expressing matrix and its normalization 3.1.7. Comparison between Samples 3.1.8. de nove assembly for RNA 3.1.9. alternative splicing 3.1.10. new gene discovery 3.2. Single Cell RNA Sequencing 3.2.1. Single cell isolation 3.2.2. Library Making 3.2.3. Sequencing 3.2.4. Data analysis 3.3. Spatial RNA Sequencing 3.4. Sequencing machines 3.4.1. Illumina 3.5. Library preparation kits 3.5.1. Illumina 3.6. Sequencing kits 3.6.1. Illumina 3.7. Reference 4. Software in Bioinformatics 4.1. Read Quality of Sequencing 5. Experiment Language 6. Sex determination in Zebrafish 6.1. Primary Sex Determination and Secondary Sex Determination 6.2. Sex Determination Mechanism in Vertebrates 6.2.1. Sex Determination in Mammals 6.2.2. Sex Determination of Birds 6.2.3. Sex Determination in Reptiles 6.2.4. Sex Determination in Amphibians 6.2.5. Sex Determination in Fish 6.3. Sex Determination of Zebrafish 6.3.1. Introduction 6.3.2. Facts 6.4. References 7. Reagents and Protocols 7.1. Reagents 7.1.1. Seawater 7.1.2. EM3 reagent 7.2. Protocols 7.2.1. Nucleic Acids Extraction 7.2.2. PCR Amplification