genes Flashcards
1
Q
genes
A
a segment of DNA on a chromosome that codes for a specific trait
2
Q
dominant allele
A
an allele whose trait always shows up in the organism when the allele is present
3
Q
recessive allele
A
an allele that is masked when a dominant allele is present
4
Q
hybrid
A
an organism that has different alleles for a trait: an organism that is heterozygous for a particular trait
5
Q
pure bred
A
an organism that always produces offspring with the same form of a trait as the parent
6
Q
homozygous
A
having 2 identical alleles for a trait
7
Q
heterozygous
A
having 2 different alleles for a trait
8
Q
genotype
A
an organsim’s genetic makeup, or allele combination
9
Q
phenotype
A
an organism’s physical appearance or visible traits
