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प्रश्न
Define Genetics.
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 F1 generation for a dihybrid cross?
Filling the blank based on the given relationship.
3 : 1 Monohybrid : : 9 : 3 : 3 : 1 : ______
Give Technical Term:
The ratio of offspring on F2 generation in a dihybrid cross.
Complete the following sentence with appropriate word:
_______ is the ratio of dihybrid cross.
The physical expression of a gene is called ______.
The genotype of a plant showing the dominant phenotype can be determined by
Select the period for Mendel’s hybridization experiments
What is back cross?
Identify the statementls that is/are NOT the correct reason/s for Mendel's success in his hybridization experiments.
i. Each factor controlled the single trait and is located on separate chromosomes.
ii. In the pea plant, contrasting characters can be easily recognized.
iii. Mendel carefully recorded the number of plants of each type and expressed his results as ratios.
iv. Mendel performed biochemical assays for identifying the position of 'factors' on chromosome.
Findings of Gregor Mendel were rediscovered by the following scientists EXCEPT for ______
In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that ______.
A dihybrid condition is ______.
The process of mating between closely related individuals is ______.
In a dihybrid cross, F2 phenotypic ratio is 13 : 3. It is case of ______.
What is the difference between genetic drift and change due to natural selection?
According to the evolutionary theory, formation of a new species is generally due to
From the list given below, select the character which can be acquired but not inherited
Do genetic combination of mothers play a significant role in determining the sex of a new born?
Mendel's law of independent assortment is based on F2 ratio of:
