3-1 genetics vocab Flashcards
1
Q
Allele
A
The different forms of a gene
2
Q
dominant Allele
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 of 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