Genetic Terms Flashcards
1
Q
What is Alleles?
A
They are different forms of the same gene.
2
Q
What is a Heterozygous?
A
Two different alleles of a gene (tall + small).
3
Q
What is a Homozygous?
A
Two of the same alleles of a gene (tall + tall).
4
Q
What is a Genotype?
A
Your genotype is the different alleles an organism has.
Genotype is represented by 2 letters (one letter for each gene).
5
Q
What is a Phenotype?
A
The outward appearance of an organism.
They are usually described in words:
Tall/Short
Brown/Black
Red/White
6
Q
What is a Dominant Allele?
A
Always expressed in the phenotype, hide the presence of the other recessive allele.
7
Q
What is a Recessive Allele?
A
Will only be seen if both of the inherited alleles are recessive.
