# Week 4

- [Molecular Biology](/abi-omicss-guide-2021/week-4/untitled.md): This is the final week of studying molecular biology. This module takes an estimated 1.5 hours to complete.
- [Interesting Cases of Genes](/abi-omicss-guide-2021/week-4/untitled/interesting-cases-of-genes.md): This page takes an estimated 35 minutes to complete
- [The Chromosomal Basis of Inheritance](/abi-omicss-guide-2021/week-4/untitled/the-chromosomal-basis-of-inheritance.md): This page takes an estimated 30 minutes to complete
- [Variation in Species](/abi-omicss-guide-2021/week-4/untitled/variation-in-species.md): This page takes an estimated 20 minutes to complete.
- [Phenotype plasticity](/abi-omicss-guide-2021/week-4/untitled/phenotype-plasticity.md): This page takes an estimated 5 minutes to complete.
- [R Programming](/abi-omicss-guide-2021/week-4/r-programming.md): In the final week of learning R Programming, we focus on practice exercises. This module takes an estimated 40 minutes to complete.
- [Practice 2](/abi-omicss-guide-2021/week-4/r-programming/practice-2.md): This page takes an estimated 20 minutes to complete.
- [Practice 3](/abi-omicss-guide-2021/week-4/r-programming/practice-3.md): This page takes an estimated 20 minutes to complete.
- [Statistics and R](/abi-omicss-guide-2021/week-4/statistics-and-r.md): This module takes an estimated 3 hours to complete.
- [Random Variables and Probability Distributions](/abi-omicss-guide-2021/week-4/statistics-and-r/random-variables-and-probability-distributions.md): This page takes an estimated 55 minutes to complete.
- [Central Limit Theorem](/abi-omicss-guide-2021/week-4/statistics-and-r/central-limit-theorem.md): This page takes an estimated 2 hours to complete
- [Week 4 Exam](/abi-omicss-guide-2021/week-4/week-4-exam.md): Complete this exam after you finish Week 4 course material.