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Science 4.2 4.3 4.4
Term | Definition |
---|---|
Probabity | predict the results of a particular |
Punnett Square | chart that shows all the possible combinations of alleles that can result from a genetic cross |
Phenotype | organism's physical appearance, or visual traits |
Genotype | organism's genetic make-up, or allele combinations |
Homozygous | Organism that has two identical alleles for a trait |
Heterozygous | Organism that has two different traits |
Codominance | for some alleles, an inheritance pattern exists |
Meiosis | process by which the number of chromosomes is reduced by half to reduce sex cells-- sperm and eggs |
Messenger RNA | copies the coded message for the 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 the growing protein |
Mutation | is any change in a gene or chromosome |