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प्रश्न
In the F2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are ______.
विकल्प
phenotypes - 4; genotypes - 16
phenotypes - 9; genotypes - 4
phenotypes - 4; genotypes - 8
phenotypes - 4; genotypes - 9
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उत्तर
In the F2 generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are phenotypes - 4; genotypes - 9.
APPEARS IN
संबंधित प्रश्न
Explain Mendel’s dihybrid ratio with the help of any one cross.
State Mendel’s law of Independent Assortment.
Under which conditions does the law of independent assortment hold good and why?
Test cross involves
In pea plants, yellow seeds are dominant to green. If a heterozygous yellow seed pant is crossed with a green seeded plant, what ratio of yellow and green seeded plants would you expect in the F1 generation?
The genotype of a plant showing the dominant phenotype can be determined by
Select the correct statement from the ones given below with respect to dihydrid cross
What is back cross?
Define Genetics.
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 ______.
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?
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.
What will be set of genes present in the F1 generation?
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.
When F1 plants were self-pollinated, a total of 800 plants were produced. How many of these would be tall, medium height or short plants? Give the genotype of F2 generation.
Independent assortment means:
In the Mendelian dihybrid cross when heterozygous round yellow is self grossed, round green offsprings are represented by the genotype.
Describe the dihybrid cross upto F2 generation as conducted by Gregor Mendel using pure lines of Garden Pea for characters-seed shape and seed colour.
