Inheritance Flashcards
1
Q
Define genotype.
A
The complete set of genes of an organism.
2
Q
Define phenotype.
A
The expression of an organism’s genetic constitution, combined with it’s interaction with the environment.
3
Q
What is meant by a dominant allele?
A
An allele whose characteristic will always appear in the phenotype, whether one or two are present.
4
Q
What is meant by a recessive allele?
A
An allele whose characteristic only appears in the phenotype if no dominant allele is present.
5
Q
What is meant by codominant alleles?
A
Two dominant alleles that both contribute to the phenotype, either by showing a blend of both characteristics, or the characteristics appearing together.