Unit of heredity: a locus on chromosome whose variants (alleles) affect phenotype. Molecular definition: DNA segment encoding a functional product (protein or ncRNA) + regulatory elements.
Gene
Related concepts
- DNA replication
- Allele
- Mutation
- Transposable element (transposon)
- Horizontal gene transfer (HGT)
- Epigenetics
- Phylogenetic tree
- Hox gene
- Sex determination
- Population growth (exponential, logistic)
- Sequence alignment
- Biodiversity
- Fossil record
- Circadian rhythm
- Hardy-Weinberg: p² + 2pq + q² = (p+q)² = 1; F2 3:1 and 9:3:3:1