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प्रश्न
उत्तर
Mendel's work did not receive much notice till 1900. Then three scientists: Hugo de Vries, Carl Correns and Erich von Tschermak working independently rediscovered his work and brought Mendel's experiment to limelight.
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संबंधित प्रश्न
A heterozygous tall plant of pea is crossed with a dwarf plant of pea.
Calculate the phenotypic ratio of the progeny.
Choose the correct answer:
Mendel was born in __________
What is crossing-over? What are the factors affecting it?
Explain the Term Heredity.
Name the following:
The genetic composition of an organism.
Give Technical Term:
Differences occurring within offsprings of the same progeny.
Give Technical Term:
A single egg was fertilized by a single sperm. But twins derived from that egg were born. What is the name of such type of twins?
Complete the following sentence with appropriate word:
The small differences among individuals are called ________.
Complete the following sentence with appropriate word:
The dissimilar pairs of genes present in an individual are known as _______________.
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:
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:
Mendel experimented upon plants of Oryza sativa.
Multiple Choice Question
When an individual has both the genes of a contrasting character, it is said to be:
Multiple choice question.
A cross between an individual with an unknown genotype for a trait with recessive plant for that trait is _______.
Multiple choice question.
When F2 phenotypic and genotypic ratios are the same, then it is an example of _______.
Give any two points of difference between homozygous and heterozygous.
In a dihybrid cross with contrasting characters, the number of different genotypes obtained in F2 generation are ______.
Alleles refer to ____________.
A pea plant with the genotype YyRr is crossed with another pea plant with the genotype yyrr. The expected phenotypic ratio of individuals formed will be ______