Studying inheritance Flashcards
1
Q
What is the genotype?
A
The genetic makeup of an organism.
2
Q
What is the phenotype?
A
The observable or biomechanical characteristics of an organism.
3
Q
What is a gene?
A
A length of DNA that codes for a specific polypeptide.
4
Q
What is an allele?
A
One of the different forms of the same gene.
5
Q
What is the locus
A
The position of a gene on a particular DNA molecule.
6
Q
What is a dominant allele?
A
Allele that is expressed even if the recessive allele of the same gene is present.
7
Q
What is a recessive allele?
A
Allele that is expressed only in the presence of another identical allele