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genetic vocab

TermDefinition
HEREDITY is the passing of physical characteristics from parents to offspring.
TRAIT or biological trait.
GENTICS the scientific study of heredity.
FERTILIZATION a new organism begins to form when egg and sperm join in the process.
PUREBRED organism is the offspring of many generations that have the same trait.
GENE the factors that control a trait.
ALLELES are the different forms of a gene.
DOMINANT ALLELES is one whose trait always shows up in the organism.
RECESSIVE ALLELES is hidden whenever the dominant alleles is present.
HYBRID organism has two different alleles for a trait.
PROBABILITY to predict the results of a particular event.
PUNNETT SQUARE is a chart that shows all the possible combin- ations of alleles
HOMOZYGOUS has two identical alleles for a trait.
PHENTYPE physical appearance.
GENOTYPE genetic makeup.
Heterozygous two different alleles for a trait.
CODOMINANCE inheritance pattern.
MEIOSIS is the process by which the number of chromosomes is reduced by half.
MESSENGER RNA copies the coded message from the DNA in the nucleus.
TRANSFER RNA carries amino acids to the ribosome.
MUTATION is any change in a gene or chromosomes.
Created by: right123
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