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4.2, 4.3, & 4.4
Chapter 4.2, 4.3, & 4.4 Vocabulary
| Term | Definition |
|---|---|
| Probability | a number that describes how likely it is that an event will occur |
| Punnet square | a chart that shows all the possible combinations of alleles |
| Phenotype | physical apperance |
| Geneotype | genetic make-up |
| Homozygous | an organism that has two identical alleles for a trait |
| Heterozygous | an organism that has two different alleles for a trait |
| Codominance | inheritance pattern |
| Meiosis | cell produces sex cells with half the number of chromosomes |
| Messenger RNA | copies the coded messages from DNA in the nucleus, and carries the message to the ribosome in the cytoplasm |
| Transfer RNA | carries amino acids to the ribosome and adds them to growing proteins |
| Mutations | any change in a gene or chromosomes |