Genetics
Heredity, from chromosome to trait.
The path through this topic
0 of 9 steps done.
ReadMeiosis and the two shufflingsTwo divisions, one replication — and the two mechanisms that make every gamete unique.
6 min- ReadMendelian transmission
The vocabulary that makes a genetics problem solvable, and the two crosses every exam is built on.
6 min - ReadHuman heredity and pedigrees
How to prove a mode of transmission from a family tree, and the arguments that actually count.
6 min - ReadMutations and chromosomal anomalies
What changes in the DNA, what changes in the karyotype, and the difference in consequences.
5 min - Memo cardsGenetics: memo cards
The whole of genetics as a deck: prompt on the front, answer on the back.
4 min 
Multiple choiceGenetics: meiosis and MendelShuffling, gametes, dominance and the classical crosses.
5 min
Match pairsMatch the genetic vocabularyPair each term with its exact definition.
4 min- Multiple choiceGenetics: harder cases
Pedigrees, sex linkage, chromosomal anomalies and types of mutation.
4 min 
Put in orderOrder the genetic sequencesRebuild the phases of meiosis and the path from gene to protein.
5 min
The molecules behind this subject
Real structures, at the scale this chapter happens on. Rotate them on the Mechanisms page.