3-1 genetic vocabulary Flashcards
1
Q
Trait
A
A characteristic that an organism can pass on to its offspring through its genes
2
Q
Allele
A
The different forms of a gene
3
Q
Recessive Allele
A
An allele that is masked when a dominant allele is present
4
Q
Dominant Allele
A
An allele whose trait always shows up in the organism when the allele is present
5
Q
Purebred
A
An organism that always produces offspring with the same form of a trait as the parent
6
Q
Gene
A
A segment of DNA on a chromosome that codes for a specific trait
7
Q
Hybrid
A
An organism that has two different alleles for a trait; an organism that is heterogeneous for a particular trait
8
Q
Genetics
A
The scientific study of heredity
9
Q
Heredity
A
The passing of traits from parents to of offspring
