3-1 genetic vocabulary Flashcards
(9 cards)
1
Q
allele
A
the different forms of a gene
2
Q
dominate alleles
A
An allele whose trait always shows up in the organism when the allele is present
3
Q
gene
A
A segment of DNA on a chromosome that codes for a specific trait
4
Q
genetics
A
the scientific study of heredity
5
Q
heredity
A
the passing of traits from parents to offspring
6
Q
hybrid
A
An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait
7
Q
purebred
A
An organism that always produces offspring with the same form of a trait as the parent
8
Q
recessive allele
A
An allele that is masked when a dominant allele is present
9
Q
trait
A
A characteristic that an organism can pass on to its offspring through its genes
