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प्रश्न
Give the significance of mutation.
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उत्तर
Mutation plays a significant role in evolution and speciation because it causes variability. However, some harmful mutations cause diseases.
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संबंधित प्रश्न
The phenotypic ratio of incomplete dominance is ______.
A heterozygous tall plant of pea is crossed with a dwarf plant of pea.
Calculate the phenotypic ratio of the progeny.
Mutation alerts the hereditary material. Give reasons.
Differentiate between genotype and phenotype.
Give the Phenotype of the F2 generation.
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Name the following:
The study of heredity and variation.
Name the following:
The genetic composition of an organism.
Complete the following sentence with appropriate word:
Upon _______the diploid condition is restored.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Mutation can be brought about artificially.
Multiple Choice Question
A cross was made between tall and dwarf plants. In F1 generation all plants were tall, when the F1 plants were selfed, the tall and dwarf plants appeared in a 3 : 1 ratio in the F2 generation. This phenomenon is known as:
Multiple choice question.
Phenotypic ratio of incomplete dominance in Mirabilis jalapa.
Give any two points of difference between homozygous and heterozygous.
Enlist dominant and recessive characters in pea plant with respect to the position of flower, colour of seed and colour of a pod in tabulated form.
Hybrid is an offspring from a cross between genetically different parents.
The appearance of new combinations in the F2 generation of a dihybrid cross proves the law of ______.
Mendel was successful in his experiments because:
Which one of the following character is recessive in case of a pea plant?
A pair of corresponding chromosomes of the same shape, size and one from each parent is called ______.
Rewrite the correct form of the statement by changing the first or last word only:
The full complement of DNA of an organism is termed as genetics.
