1. Genetics vocab 1

2. Genes The part of DNA that determines a particular trait
Each cell has 25,000-35,000 genes located on chromosomes in the nucleus.

3. Alleles
Version of a gene that determines a characteristic, such as hair color
Each parent donates ONE allele for each gene to an offspring (dominant or recessive)

4. Genotype The genetic makeup of an individual
A description of the alleles possessed by an individual

5. Phenotype
The physical trait (as a result of the genotype)

6. Gregor Mendel
A scientist that discovered the principles of heredity while studying pea plants