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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
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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.
संबंधित प्रश्न
Filling the blank based on the given relationship.
3 : 1 Monohybrid : : 9 : 3 : 3 : 1 : ______
Explain Mendel’s dihybrid ratio with the help of any one 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.
Give Technical Term:
The ratio of offspring on F2 generation in a dihybrid cross.
The physical expression of a gene is called ______.
Under which conditions does the law of independent assortment hold good and why?
Select the correct statement from the ones given below with respect to dihydrid cross
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.
A cross between two tall plants resulted in offspring having few dwarf plants. What would be the genotypes of both the parents?
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 ______.
A fruit fly exhibiting both male and female traits is ______.
Assertion: When the two genes in a dihybrid cross are situated on the same chromosome, the proportion of parental gene combinations is much higher than the nonparental type.
Reason: Higher parental gene combinations can be attributed to crossing over between two genes.
According to the evolutionary theory, formation of a new species is generally due to
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 cross-pollinated with plants having tt genes, 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.
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.
Mendel's law of independent assortment is based on F2 ratio of:
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.
Which scientist is known as the Father of Genetics for establishing fundamental principles of heredity through experiments on pea plants?
Which of the following was NOT cited as a reason for the initial rejection of Mendel's work by the scientific community?
In what year was Mendel's work independently rediscovered by multiple scientists?
What institution did Gregor Mendel attend to study science and mathematics?
