Genetics Unit

2. a double rod of condensed chromatin in the nucleus that contains DNA
5. acid the genetic material that carries information about an organism and is passed from parent to offspring.
6. a characteristic that an organism can pass on to its offspring through its genes.
9. Square tool that helps to predict the variations and probabilities that can come from cross breeding. This includes predicting crossing plants, animals, even humans with each other.
10. an organism’s physical appearance or visible trait (ex: brown eyes, brown eyes, blue eyes).
11. an organism’s genetic makeup or allele combinations (ex: BB, Bb, or bb).
12. the set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait
13. Trait a trait that is expressed only when two alleles are present.

1. in the levels of organization, this level is made up of members of different species living in the same areas at the same time.
3. Trait a trait that is always expressed in the phenotype of an organism.
4. in the levels of organization, this level is made up of members of the same species living in the same area at the same time.
7. the different forms of a gene.
8. the passing of traits from parents to offspring.
12. Mendel an Austrian monk who discovered the basic principles of heredity through experiments in his garden