1. Formed from both inherited alleles.
Genotype:
Formed from both inherited alleles.

2. An organism’s appearance.
Phenotype:
An organism’s appearance.

3. A plant with either two dominant or two recessive genes. Ex. FF or ff
Homozygous:
A plant with either two dominant or two recessive genes. Ex. FF or ff

4. A plant with one dominant and one recessive gene. Ex. Ff
Heterozygous:
A plant with one dominant and one recessive gene. Ex. Ff

5. Used to organize possible offspring.
Punnett Square:
Used to organize possible offspring.

6. The mathematical chance that something will happen.
Probability:
The mathematical chance that something will happen.

7. The stronger form of a gene. Always a capital letter. Ex. F
Dominant:
The stronger form of a gene. Always a capital letter. Ex. F

8. A weaker form of a gene that can be hidden or masked. Ex. f
Recessive:
A weaker form of a gene that can be hidden or masked. Ex. f

9. Another word for heterozygous.
Hybrid:
Another word for heterozygous.

10. Another word for homozygous.
Purebred:
Another word for homozygous.

11. The passing of traits from one generation to the next.
Heredity:
The passing of traits from one generation to the next.

12. One of the forms of a gene that controls a trait like hair color.
Allele:
One of the forms of a gene that controls a trait like hair color.

13. A segment of DNA that codes for the instructions for a trait.
Gene:
A segment of DNA that codes for the instructions for a trait.

14. The different forms of features such as blue eyes of brown eyes.
Trait:
The different forms of features such as blue eyes of brown eyes.

15. Characteristic:
A feature that has different forms in a population such as eye color or hair color.