Name: ____________________
1. The transfer of traits from parents to offspring is called ________________.
2. The four different molecules that make up DNA are A,C,G,T. They are the
_______________________.
3. Characteristics passed from parents to offspring are called
________________.
4. This type of organism always produces offspring with the same traits as the
parent. (It has two of the same alleles) _______________
5. ________________ is the scientific study of heredity.
6. An organism’s ______________ is its genetic makeup.
7. The different forms of a gene are called ____________.
8. This type of trait always shows up in an organism: ____________.
9. This type of trait is sometimes masked, or covered up: ____________.
10. A ______________ has two different alleles for a trait.
11. A ________________ is a chart that shows all possible combinations of
alleles.
12. An organism’s physical appearance, or its visible traits are its
______________.
13. In ______________, the alleles are neither dominant nor recessive, but
both alleles show up in the offspring.
14. The process by which the number of chromosomes is reduced by half in
order to produce sex cells is ________________.
15. The factors that control traits are called ____________.
Word Bank:
Traits
Heredity
Genetics
Purebred
Genes
Alleles
Recessive
Genotype
Nitrogen Bases
Codominance
Meiosis
Phenotype
Punnett square
Dominant
Hybrid