SB3e Genetic Variants And Phenotypes Flashcards
1
Q
Allele
A
Most genes come in different versions called alleles. So a gene for eye colour may have one version (allele) that can cause dark eyes, and another allele that can cause pale eyes.
2
Q
Genetic disorder
A
A problem caused by genes.
3
Q
Mutation
A
A change to a gene caused by a mistake in copying the DNA base pairs during cell division, or by the effects of radiation or of certain chemicals.
4
Q
Phenotype
A
The characteristics that a certain set of alleles display.
