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Classical genetics

Index Classical genetics

Classical genetics is the branch of genetics based solely on visible results of reproductive acts. [1]

26 relations: Allele, Chromosome, Dominance (genetics), Eukaryote, Gene, Genetic code, Genetic linkage, Genetic variation, Genetics, Genotype, Gregor Mendel, Heredity, Inheritance, Meiosis, Mendelian inheritance, Molecular biology, Molecular cloning, Molecular genetics, Phenotype, Pisum, Plant breeding, Ploidy, Restriction enzyme, Reverse genetics, Test cross, Thomas Hunt Morgan.

Allele

An allele is a variant form of a given gene.

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Chromosome

A chromosome (from Ancient Greek: χρωμόσωμα, chromosoma, chroma means colour, soma means body) is a DNA molecule with part or all of the genetic material (genome) of an organism.

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Dominance (genetics)

Dominance in genetics is a relationship between alleles of one gene, in which the effect on phenotype of one allele masks the contribution of a second allele at the same locus.

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Eukaryote

Eukaryotes are organisms whose cells have a nucleus enclosed within membranes, unlike Prokaryotes (Bacteria and other Archaea).

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Gene

In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.

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Genetic code

The genetic code is the set of rules used by living cells to translate information encoded within genetic material (DNA or mRNA sequences) into proteins.

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Genetic linkage

Genetic linkage is the tendency of DNA sequences that are close together on a chromosome to be inherited together during the meiosis phase of sexual reproduction.

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Genetic variation

Genetic variation means that biological systems – individuals and populations – are different over space.

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Genetics

Genetics is the study of genes, genetic variation, and heredity in living organisms.

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Genotype

The genotype is the part of the genetic makeup of a cell, and therefore of an organism or individual, which determines one of its characteristics (phenotype).

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Gregor Mendel

Gregor Johann Mendel (Řehoř Jan Mendel; 20 July 1822 – 6 January 1884) was a scientist, Augustinian friar and abbot of St. Thomas' Abbey in Brno, Margraviate of Moravia.

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Heredity

Heredity is the passing on of traits from parents to their offspring, either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.

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Inheritance

Inheritance is the practice of passing on property, titles, debts, rights, and obligations upon the death of an individual.

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Meiosis

Meiosis (from Greek μείωσις, meiosis, which means lessening) is a specialized type of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct from the parent cell that gave rise to them.

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Mendelian inheritance

Mendelian inheritance is a type of biological inheritance that follows the laws originally proposed by Gregor Mendel in 1865 and 1866 and re-discovered in 1900.

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Molecular biology

Molecular biology is a branch of biology which concerns the molecular basis of biological activity between biomolecules in the various systems of a cell, including the interactions between DNA, RNA, proteins and their biosynthesis, as well as the regulation of these interactions.

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Molecular cloning

Molecular cloning is a set of experimental methods in molecular biology that are used to assemble recombinant DNA molecules and to direct their replication within host organisms.

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Molecular genetics

Molecular genetics is the field of biology that studies the structure and function of genes at a molecular level and thus employs methods of both molecular biology and genetics.

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Phenotype

A phenotype is the composite of an organism's observable characteristics or traits, such as its morphology, development, biochemical or physiological properties, behavior, and products of behavior (such as a bird's nest).

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Pisum

Pisum is a genus of the family Fabaceae, native to southwest Asia and northeast Africa.

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Plant breeding

Plant breeding is the art and science of changing the traits of plants in order to produce desired characteristics.

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Ploidy

Ploidy is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes.

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Restriction enzyme

A restriction enzyme or restriction endonuclease is an enzyme that cleaves DNA into fragments at or near specific recognition sites within the molecule known as restriction sites.

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Reverse genetics

Reverse genetics is a method that is used to help understand the function of a gene by analyzing the phenotypic effects of specific engineered gene sequences.

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Test cross

In genetics, a test cross, first introduced by Gregor Mendel, involves the breeding of an individual with a phenotypically recessive individual, in order to determine the zygosity of the former by analyzing proportions of offspring phenotypes.

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Thomas Hunt Morgan

Thomas Hunt Morgan (September 25, 1866 – December 4, 1945) was an American evolutionary biologist, geneticist, embryologist, and science author who won the Nobel Prize in Physiology or Medicine in 1933 for discoveries elucidating the role that the chromosome plays in heredity.

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Redirects here:

Classical Genetics.

References

[1] https://en.wikipedia.org/wiki/Classical_genetics

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