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TermDefinition
Heredity Is the passing of physical characteristics from parents of offspring.
Trait Each different form of a characteristics such as stem height or seed colors.
Genetics Today Mendel's discoveries form the foundation of genetics the scientific study of heredity.
Fertilization A new organism begins to form when egg and sperm join in the process.
Purebred A purebred organism is the offspring of many generations that have the same trait.
Gene Today scientists use the word gene for the factors that control a trait.
Alleles Are the different forms of a gene.
Dominant Allele Is one whose trait always shows up in organism when the allele is present.
Recessive Allele On the other hand is hidden whenever the dominant allele is present.
Hybrid Organism has two different allele for a trait.
Probability Probability is a number that describes how likely it is that an event will occur.
Punnett Square Is a chart that shows all the possible combinations of alleles that can result from genetic cross.
Phenotype An organism's phenotype is its physical appearance or visible traits.
Genotype An organism's genotype is its genetic makeup or allele combinations.
Homozygous An organism that has two identical alleles for a trait.
Heterozgous An organism that has two different alleles.
Comdominance In comdominance the alleles are neither dominant nor recessive.
Meiosis Is the process by which the number of chromosomes is reduced by half to form a 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 to the ribosome and adds them to the growing protein.
Mutation Is any change in a gene or chromososome.
Created by: Haley.Sweat2
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