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प्रश्न
In the F2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are ______.
पर्याय
phenotypes - 4; genotypes - 16
phenotypes - 9; genotypes - 4
phenotypes - 4; genotypes - 8
phenotypes - 4; genotypes - 9
उत्तर
In the F2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are phenotypes - 4; genotypes - 9.
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संबंधित प्रश्न
Filling the blank based on the given relationship.
3 : 1 Monohybrid : : 9 : 3 : 3 : 1 : ______
State Mendel’s law of Independent Assortment.
The physical expression of a gene is called ______.
Under which conditions does the law of independent assortment hold good and why?
Test cross involves
The genotype of a plant showing the dominant phenotype can be determined by
Which Mendelian idea is depicted by a cross in which the F1 generation resembles both the parents
Select the period for Mendel’s hybridization experiments
Among the following characters which one was not considered by Mendel in his experimentation pea?
Name the seven contrasting traits of Mendel.
What are the reasons for Mendel’s successes in his breeding experiment?
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.
In a dihybrid cross, if you get 9:3:3:1 ratio it denotes that ______.
In a testcross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates ______.
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
When two hybrids rrTt and Rrtt are gassed, the phenotype ratio of offspring should be:
