Recap Flashcards
1
Q
what is a mutation?
A
Permanent alteration of the nucleotide sequence of the genome of an organism
2
Q
what is an allele?
A
A variant of a gene
3
Q
what is a somatic mutation?
A
Occurance of a mutation in the somatic cells of an organism
4
Q
what is a germline mutation?
A
A detectable mutation in germ cells
5
Q
Loss of function allele?
A
Loss-of-functionmutations, also called inactivating mutations, result in the gene product having less or nofunction(being partially or wholly inactivated).
6
Q
What is an auxotroph
A
A mutant organism that requires a particular additional nutrient which the normal strain does not
7
Q
What is epistasis?
A
The interaction of genes that are not alleles.