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4.2, 4.3, 4.4 Vocab.
4.2, 4.3, 4.4 Vocabulary Defintions
Term | Definition |
---|---|
Probality | a number that describes how likely it is that the event will occur |
Punnett Square | chart that shows all the possible combinations of alleles that can result from a genetic cross |
Phenotype | an organism physical appearance, or visible traits |
Genotype | an organisms genetic makeup, or allele combinations |
Homozygous | an organism that has 2 identical alleles for a trait |
Heterzygous | an organism that has 2 different alleles for a trait |
Comindance | an inheritance pattern |
Mesios | the process by which the number of chromosomes is reduced by half to form sex cells-- sperm and egg cells |
Messenger RNA | copies the coded message from DNA in the nucleus, and carries to the ribosome in the cytoplasm |
Transfer RNA | carries amino acids to the ribosome and adds them to the growing protein |
Mutation | any change in in a gene or chromosomes |