Topic 3.1: Genes Flashcards
Define gene
A gene is a sequence of DNA that encodes for a specific trait (traits may also be influenced by multiple genes)
Define locus
The position of a gene on a particular chromosome is called the locus (plural = loci)
Define allele
Alleles are alternative forms of a gene that code for the different variations of a specific trait
Define gene mutation
A gene mutation is a change in the nucleotide sequence of a section of DNA coding for a specific trait
Define genome
The genome is the totality of genetic information of a cell, organism or organelle
What was the Human Genome Project (HGP)?
The Human Genome Project (HGP) was an international cooperative venture established to sequence the human genome