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40 term vocab

TermDefinition
Heredity the passing of traits from parents to offspring. Sex-linked gene a gene that carried on x or y chromosomes.
Trait a characteristic that an organism can pass on to its offspring. Carrier a person who has one recessive allele for a trait but does not have the trait.
Purebred the offspring of many generations that have the same traits. Sex chromosome a pair of chromosomes carrying genes that determine whether a person is male or female.
Hybrid an organism that has two different alleles for a trait Genetic disorder an abnormal condition that a person inherits through genes or chromosomes.
Offspring - the product of the reproductive process of an animal. A child Pedigree a chart or family tree that tracks which members of a family have a particular trait.
Gene the set of information that controls a trait. Inbreeding a selectively breeding method in which two individuals with identical or similar sets of alleles are crossed.
Alleles the different forms of a gene Hybridization a selective breeding method in which two genetically different individuals are crossed
Dominant an allele whose trait always shows up in the organism when it is present. Clone an organism that is genetically identical to organism from which it was produced.
Recessive an allele that masked when a dominant allele is present. Genetic Engineering the transfer of a gene from the dna of one organism into another organism.
Phenotype the physical appearance of an organism Gene therapy the insertion of working copies of a gene into the
Genotype an organism's genetic makeup or allele combinations. karyotype a picture of all the chromosomes in a cell arranged in pairs.
Homozygous having two identical alleles for a trait. Mutations a change in a gene or chromosome
Heterozygous having two different alleles for a trait. Insertion the act of inserting something
Codominance a condition in which neither of two alleles of a gene is dominant or recessive Deletion the act of deleting something.
Meiosis the process that occurs in the formation of sex cells. Substitution the act of replacing something or someone .
Haploid cells - A cell that is the result of meiosis and has half the number of chromosomes as the original cell. Selective breeding the process of selecting a few organisms designed traits to serve as parents of the next generation.
Diploid cells - A cell that is the result of mitosis and has the same number of chromosomes as the original cell. Gene therapy the insertion of working copies of a gene into the cells of a person.
Created by: james david