Advertisements
Advertisements
प्रश्न
Define Genetics.
Advertisements
उत्तर
“Genetics” is the branch of biological science which deals with the mechanism of transmission of characters from parents to offsprings. The term Genetics was introduced by W. Bateson in 1906.
संबंधित प्रश्न
Two heterozygous parents are crossed. If the two loci are linked, what would be the distribution of phenotypic features in the F1 generation for a dihybrid cross?
A homozygous Tall plant (T) bearing red coloured (R) flowers is crossed with a homozygous dwarf plant (t) bearing white flowers (r):
(1) Give the Genotype and Phenotype of the F2 generation.
(2) Give the possible combinations of the gametes that can be obtained from the F2 hybrid.
(3) Give the dihybrid ratio and the phenotype of the offsprings of the F2 generation when two plants of the F1 generation above are crossed.
Explain with an example the inheritance of the dihybrid cross. How is it different from monohybrid cross?
The genotype of a plant showing the dominant phenotype can be determined by
Among the following characters which one was not considered by Mendel in his experimentation pea?
In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that ______.
Sahil performed an experiment to study the inheritance pattern of genes. He crossed tall pea plants (TT) with short pea plants (tt) and obtained all tall plants in F1 generation.
Give a reason why only tall plants are observed in F1 progeny.
When two hybrids rrTt and Rrtt are gassed, the phenotype ratio of offspring should be:
In the Mendelian dihybrid cross when heterozygous round yellow is self grossed, round green offsprings are represented by the genotype.
