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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
Choose the correct answer:
Mendel was born in __________
Differentiate Between Homozygous shows Heterozygous.
Differentiate between genotype and phenotype.
Name the following:
The study of heredity and variation.
Give Technical Term:
Cell organelle directly involved in genetics.
Give Technical Term:
The individuals having dissimilar pairs of genes.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Most genetic diseases in man are recessive in character.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
DNA has a double-helical structure.
Write the functional activity of the following structure:
Autosomes
Multiple choice question.
Phenotypic ratio of incomplete dominance in Mirabilis jalapa.
Multiple choice question.
In a dihybrid cross, F2 generation offsprings show four different phenotypes while the genotypes are _______.
Explain a dihybrid cross with suitable example and checker board method.
Which one of the following is back cross?
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 ______.
Identify the genotype of a round seeded tall plant which when crossed with a plant of similar genotype produces the following percentage of phenotypes:
(tall round = 56.25 %, tall wrinkled = 18.75 %, dwarf round = 18.75 %, dwarf wrinkled = 6.25 %.)
How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits?
