| A | B |
|---|
| Genetics | The study of heredity |
| Heredity | The passing of traits from one generation to the next |
| Trait | A characteristic of an organism |
| Gene | Basic unit of heredity (height, eye color) |
| Allele | A form of a gene (Tall, short, blue eyes, brown eyes) |
| Dominant | The stronger trait in genetics (A) |
| Recessive | The weaker trait in genetics (a) |
| Homozygous | Containing two of the same alleles for a trait (AA or aa) |
| Heterozygous | Containing two different alleles for a trait (Aa) |
| Probility | Possibility that an event may or may not take place |
| Phenotype | Physical characteristics of an organism (Brown eyes) |
| Genotype | Gene combinations that makeup of an organism (BB or Bb or bb) |
| Chromosome | Rod-shaped structures, located in the nucleus of the cell, that contain genes (X) |
| Karyotype | A picture of all the chromosome pairs an organism has |
| Meiosis | Process of sex cell division that results in cells with only half the normal number of chromosomes (total = 46, sex cell = 23), "Me" |
