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Genetics

QuestionAnswer
heredity The passing on of physical or mental characteristics genetically from one generation to another.
hybrid One allele is dominant and the other is recessive.
purebred Either completely dominant alleles or completely recessive alleles.
trait a characteristic, typically one belonging to a person or animal or thing.
offspring the produced or child of the parents.
gene a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
alleles The Different forms of a gene.
dominant An allele whose trait always shows up in the organism when the allele is present.
recessive An allele that is masked when a dominant allele is present.
homozygous Have two of the same kind alleles for a trait.
heterozygous Have two different kind of alleles for an trait.
genotype An organism’s genetic makeup,or allele combinations.
phenotype An organism’s physical appearance,or visible traits.
meiosis Is a process of cell division in which the number of chromosomes per c ell is cut in half creating haploid cells.
haploid a cell that contains a single set of chromosomes.
diploid containing two complete sets of chromosomes, one from each parent.
mutation A change in a gene or chromosome.
Subsitution the action of replacing someone or something with another object or thing
sex linked genes An gene that is carried on the XY Chromosomes.
carrier A person who has one recessive allele for a trait however doesn't have the trait.
sex chromosomes A pair of chromosomes carrying genes that determine whether a person is a male or an female.
genetic disorder An abnormal condition that a person inherits through genes and or chromosomes.
pedigree A Chart that tracks which members of a family have or carry a particular trait.
clone An organism that is genetically identical to the organisms from which was produced.
mitosis Mitosis is the process in which a eukaryote cell seperates the chromosome in its cell nucleus into two identical sets of two daughter nuclei called diploid cells.
genetics the scientific study of heredity.
probabillity How likely something will occur.
punnet square A chart that shows all the possible combinations of possible alleles that can result from a genetic cross.
codominance neither two alleles are recessive or dominant.
fertilization the joining of sperm and an egg
genome all of the DNA in one cell if an organism.
Created by: FellowComrade