Genetics Flashcards
Define DNA
DNA is a molecule that carries genetic information for the development and functioning of a living organism
Define chromosomes
Chromosomes are long threads of DNA which contains genes and are found in the nuclei of all living organisms
Define homologous pairs
Chromosomes that each have the same genes in the same order but there is variation between them, resulting in different alleles
Define Genes
Genes are the basic unit of inheritance, they are found on sections of DNA and the code for the production of different traits such as eye colour, body type and male or female sex
Define Alleles
Alleles are variants of a gene controlling the same trait.
What is a Chromosome number?
A chromosome number is the specific number of chromosomes typical for a species