Genetics: Terms and definitions
A list of terms used in the Mendel and inheritance theme.
An alternative form of a gene.
Pigments responsible for red, purple or blue colours in plants.
Using a particle bombardment system, like a gene gun, to deliver DNA into a cell.
The production of a new molecule by a living organism.
An allele that will be phenotypically expressed if it is present.
Male or female reproductive cells – a sperm or egg in animals, and pollen and ova in plants.
A piece of DNA that carries the information needed to make a specific protein.
A laboratory tool used to propel (or shoot) a gene (or other piece of DNA) into a cell at high energy. The aim is that the target cell will incorporate the new DNA and start using it.
When alleles at the same locus are different.
When alleles at the same locus are identical.
The progeny of cross-breeding 2 pure-breeding lines.
(Noun) The genetic make-up of a cell or organism.
(Verb) To identify aspects of an individual’s genetic make-up by using DNA sequence information.
The location of a gene or DNA sequence on a chromosome (plural: loci).
Observable traits or characteristics of an organism.
When mated with their own kind, all the offspring resemble their parents.
An allele that will be phenotypically expressed when both copies of the allele are identical.
Characteristic, usually a physical characteristic of a living organism, such as the height of a plant or the hair colour of a mammal.
A protein that switches the expression of genes on and off.
- 17 August 2011