Genetics Vocabulary

5. having two of the same alleles for a trait.
6. differences between individuals of the same species.
7. the passing of traits from parents to offspring.
8. the set of alleles you have for a trait (your genetic code).
11. a version of a gene that shows up even if only one copy is present.
13. having two different alleles for a trait.
16. the molecule that stores all the instructions for how a living thing grows and functions.
18. when humans choose which organisms reproduce to get certain traits.
19. a molecule made by the cell that does important jobs, like building muscles or helping chemical reactions.

1. when scientists change an organism’s DNA on purpose.
2. a change in DNA that can affect how a trait works.
3. small units that make up DNA, like letters in a code.
4. a characteristic of a living thing, like eye color, height, or fur pattern.
9. a chart used to predict possible traits of offspring.
10. the physical trait you actually see, like brown eyes or curly hair.
12. a version of a gene that only shows up if two copies are present.
14. a small piece of DNA that gives instructions for one specific trait.
15. a tightly packed bundle of DNA that holds many genes.
17. a different version of the same gene, like a tall version or a short version.