Organism

• cross

  (genetics) an organism that is the offspring of genetically dissimilar parents or stock; especially...

• zygote

  (genetics) the diploid cell resulting from the union of a haploid spermatozoon and ovum (including...

• carrier

  (genetics) an organism that possesses a recessive gene whose effect is masked by a dominant...

• amphidiploid

  (genetics) an organism or cell having a diploid set of chromosomes from each paren...

• diploid

  (genetics) an organism or cell having the normal amount of DNA per cell; i.e., two sets...

• haploid

  (genetics) an organism or cell having only one complete set of chromosomes.

• heteroploid

  (genetics) an organism or cell having a chromosome number that is not an even multiple...

• polyploid

  (genetics) an organism or cell having more than twice the haploid number of chromosom...

Mutation

• mutation

  (genetics) any event that changes genetic structure; any alteration in the inherited nucleic...

• deletion

  (genetics) the loss or absence of one or more nucleotides from a chromosome.

• inversion

  (genetics) a kind of mutation in which the order of the genes in a section of a chromosome...

• transposition

  (genetics) a kind of mutation in which a chromosomal segment is transfered to a new...

• point mutation

  (genetics) a mutation due to an intramolecular reorganization of a gene.

• reversion

  (genetics) a return to a normal phenotype (usually resulting from a second mutation).

• saltation

  (genetics) a mutation that drastically changes the phenotype of an organism or specie...

Sex Chromosome

• sex chromosome

  (genetics) a chromosome that determines the sex of an individual; "mammals normally...

• XX

  (genetics) normal complement of sex chromosomes in a female.

• XXX

  (genetics) abnormal complement of three X chromosomes in a female.

• XXY

  (genetics) abnormal complement of sex hormones in a male resulting in Klinefelter's syndrom...

• XY

  (genetics) normal complement of sex hormones in a male.

• XYY

  (genetics) abnormal complement of sex hormones in a male who has two Y chromosomes.

Zygote

• heterozygote

  (genetics) an organism having two different alleles of a particular gene and so giving...

• homozygote

  (genetics) an organism having two identical alleles of a particular gene and so breeding...

Vector

• vector

  (genetics) a virus or other agent that is used to deliver DNA to a cell.

• cosmid

  (genetics) a large vector that is made from a bacteriophage and used to clone genes or gene...

Gene

• gene

  Tics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions...

• allele

  (genetics) either of a pair (or series) of alternative forms of a gene that can occupy the...

Organic Phenomenon

• polymorphism

  (genetics) the genetic variation within a population that natural selection can operate...

• dominance

  The organic phenomenon in which one of a pair of alleles present in a genotype is expressed...

Inheritance

• inheritance

  (genetics) attributes acquired via biological heredity from the parents.

• linkage

  (genetics) traits that tend to be inherited together as a consequence of an association...

Character

• character

  (genetics) an attribute (structural or functional) that is determined by a gene or group...

• unit character

  (genetics) a character inherited on an all-or-none basis and dependent on the presence...

Also contains

• crossing

  (genetics) the act of mixing different species or varieties of animals or plants and thus...

• Mendel's law

  (genetics) one of two principles of heredity formulated by Gregor Mendel on the basis...

• genomics

  The branch of genetics that studies organisms in terms of their genomes (their full DNA...

• single nucleotide polymorphism

  (genetics) genetic variation in a DNA sequence that occurs when a...

• expression

  (genetics) the process of expressing a gene.

• position effect

  (genetics) the effect on the expression of a gene that is produced by changing its...

• recombination

  (genetics) a combining of genes or characters different from what they were in the...

• heterosis

  (genetics) the tendency of a crossbred organism to have qualities superior to those of...

• haplotype

  (genetics) a combination of alleles (for different genes) that are located closely together...

• cytogenetics

  The branch of biology that studies the cellular aspects of heredity (especially the...

• transformation

  (genetics) modification of a cell or bacterium by the uptake and incorporation of...

• insertional mutagenesis

  (genetics) a mutation caused by the insertion of exogenous DNA into a g...

• proteomics

  The branch of genetics that studies the full set of proteins encoded by a genome.

• molecular genetics

  The branch of genetics concerned with the structure and activity of genetic material...

• pharmacogenetics

  The branch of genetics that studies the genetically determined variations in responses...

• mapping

  (genetics) the process of locating genes on a chromosome.

More Connections

• geneticist

  A biologist who specializes in genetics.