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genetics

QuestionAnswer
heredity? is the passing of physical characteristics from parents to offspring.
trait? a form of characteristics.
genetics the scientific study of hereditary.
fertilization? new organisms form when the egg and sperm join in the processes.
purebred organism is the offspring of many generations that have the same trait.
gene the factors that control a trait.
alleles different forms of a gene.
dominant allele ones who's trait always shows up in the organism when the allele is present.
recessive allele ones who's trait is hidden whenever the dominate allele is present.
hybrid an organism that has 2 different alleles for a trait.
probability to predict the result of a particular event.
punnet square a chart that shows all the possible combinations of alleles that can result from a genetic cross.
phenotype an organisms physical appearance.
genotype an organisms genetic makeup or allele combinations.
homozygous an organism that has 2 identical alleles for a trait.
heterozygous an organism that has 2 different alleles for a trait.
codominance an inheritance pattern.
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 ribosomes in the cytoplasm.
transfer RNA carries the amino acids to the ribosomes and adds them to the growing protein.
mutation any change in a gene or chromosomes.
Created by: abbielovesu171
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