DOMINANCE
rubabDominance is a physiological effect of an allele over its partner allele on the same gene locus. In genetics, dominance relationship refers to how the alleles for a single locus…
TEST CROSS
The cross between dominant phenotype with the recessive of that individual for determination the genotype of that individual is called test cross. Mendel used test cross to test the genotype…
BACK CROSS
The cross (a hybrid) with one of its parents or with an individual genetically identical to one of its parents is called back cross. This cross is used to obtained…
Law of Independent Assortment
It states that, when two contrasting pairs of trait are followed in the same cross, their alleles assort independently into the two gametes and the distribution of alleles of one…
Mendel’s Law of Segregation
It states that two coexisting alleles for each trait in an individual segregate from each other during meiosis and each gamete receives only one of the two alleles not both.…
MENDELIAN INHERITANCE
Introduction of Mendel Gregor Joha Mendel was borne in 1822. He died in 1884. He was a priest. He formulated two laws of heredity: (a) Law of segregation (b) Law…
History of Genetics
Mendel's laws: The laws of inheritance were derived by Gregor Mendel. He was 19th century Austrian monk. He was conducting plant hybridity experiments. Between 1856 and 1863, he cultivated and…
Applications of Genetics
Genetics has scope in following fields: Genetics as basis of biological sciences Genetics provides a foundation for biological studies. Law of inheritance helps its to understand principles of embryology, population,…
Areas of Genetics
Genetics is divided into two parts: Classical and Mendelian genetics. (a) Classical Genetics The techniques and methodologies of genetics are called classical genetics. This genetics give rise to molecular biology.…
Mendelian Inheritance
The study of transfer of hereditary characters (genes) from parent to offspring is called genetics (from the Greek genno= cis birth). It is the science of genes. heredity and the…