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Cheatham's vocabular


probability a number that describes how likely it is that an event will occur.
Punnet square a chart that shows all the possible combinations of alleles that can result from a genetic cross.
phenotype all organism's physical appearance, or visible traits.
genotype an organism's genetic makeup, or allele combinations.
homozygous having two identical alleles for a trait.
heterozygous having two different alleles for a trait.
codominant a condition in which neither of two alleles of a gene is dominant or recessive.
meiosis the process that occurs in the formation of sex cells by which the number of chromosomes is reduced by half.
mutation a change in a gene or chromosome.
mitosis the stage of the cell cycle during which the cell's nucleus divides into two new nuclei and one copy of the DNA is distributed into each daughter cell.
selective breeding the process of selecting a few organism's with desired traits to serve as parents of the next generation.
cloning a technique used to produce offspring with desired traits.
genetic engineering the transfer of a gene from the DNA of one organism into another organism in order to produce an organism with desired traits.
recessive an allele that is hidden whenever the dominant allele is present.
Created by: cgball45