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Question
The physical expression of a gene is called ______.
Solution
The physical expression of a gene is called Phenotype.
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RELATED QUESTIONS
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.
Complete the following sentence with appropriate word:
A character that is suppressed is _________.
Multiple Choice Question
When two individuals differing in at least one character are crossed, the process is known as:
Under which conditions does the law of independent assortment hold good and why?
Test cross involves
Select the period for Mendel’s hybridization experiments
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 ______.
Two linked genes a and b show 20% recombination. The individuals of a dihybrid cross between ++ /++ × ab/ab shall show gametes ______.
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?
How is the sex of a newborn determined in humans?
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.
Which one of the following genetic ratios will be obtained in a dihybrid test cross:
The Law of independent assortment is applicable for the traits which ______
The ratio of 9 : 3 : 3 : 1 is due to:
