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4.2,4.3,&4.4 science

TermDefinition
probability a number that describes how likely it is that an event will ocur
punnett squarek a chart that shows all the possible combinations of alleles that can result from a genetic occur
phenotype its physical appearance
genotype its genetic makeup or allele combinations
homozygous an organism that has two different alleles for a trait
codominance alleles are neither dominant nor recessive
meiosis the process by which the number of chromosomes is reduced by half to form sex cells--sperm and eggs
messenger RNA copies the coded message from the DNA in the nucleus, and carries the message to the ribosome in the cytoplasm
transfer RNA carries amino acids ti the ribosome and adds them to the growing protein
mutation any change in a gene or chromosome
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