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Genetics

These are 21 vocab words from page 110B.

TermDefinition
Heredity The passing of physical characteristics from parents to offspring.
Trait Each different form of a characteristic.
Genetics The scientific study of heredity.
Fertilization When a new organism begins to form when egg and sperm join together.
Purebred The offspring of many generations that have the same trait.
Gene The factors that control a trait.
Alleles Are different forms of a gene.
Dominant Allele One whose trait always shows up in the organism when the allele is present.
Recessive Allele Is hidden whenever the dominant allele is present.
Hybrid Has two different alleles for a trait.
Probability To predict the results of a particular event.
Punnett Square A chart that shows all the possible combinations of alleles that can result from a genetic cross.
Phenotype An organism's physical appearance, or vibrant traits.
Genotype An organism's genetic makeup, or allele combinations.
Homozygous An organism that has two identical alleles for a trait.
Heterozygous An organism that has two different alleles for a trait.
Codominance An inheritance pattern with neither dominate nor recessive alleles.
Meiosis The process by which the number of chromosomes is reduced by half to form sex cells.
Messenger RNA Carries the massage 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 a gene or chromosome.
Created by: Colby Lombard
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