1. Vocab #18
Mr. Addeo

2. Different forms of a gene.
Alleles
Different forms of a gene.

3. Dominant
An allele whose trait always shows up in the organism when the allele is present.

4. An allele that is hidden whenever the dominant allele is present.
Recessive
An allele that is hidden whenever the dominant allele is present.

5. An organism’s physical appearance (visible traits).
Phenotype
An organism’s physical appearance (visible traits).

6. An organism’s genetic makeup (allele combinations).
Genotype
An organism’s genetic makeup (allele combinations).