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प्रश्न
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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 cross used to verify the unknown genotype of the F1 hybrid is a ______.
Differentiate between genotype and phenotype.
State Mendel’s Law of Dominance.
- A pure tall plant (TT) is crossed with a pure dwarf plant (tt). Draw Punnett squares to show
- F1, generation
- F2 generation.
- Give the phenotype of F2 generation.
- Give the phenotype and genotypic ratios of the F1 and F2 generations.
Give the Phenotypic and Genotypic ratio of the F2 and F2 generation.
Explain the Term Crossing-over.
Give Technical Term:
Transmits characteristics from parents to offsprings.
Give Technical Term:
The individuals having dissimilar pairs of genes.
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?
Give Technical Term:
A twin consisting of a brother and a sister were born to a lady. What is the name of such a type of twins?
Complete the following sentence with appropriate word:
The small differences among individuals are called ________.
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.
Write the functional activity of the following structure:
Genes
State whether the following is true or false.
Each gamete has only one allele of a gene.
Using ______, the production of gametes by the parents, the formation of zygotes, the F1 and F2 plants can be understood.
A normal visioned woman whose father is colourblind married a normal visioned man. What are the probabilities of her sons or daughters to be colourblind? Explain with the help of Punnett square.
During a dihybrid cross with contrasting characters in the F2 generation, parental genotypes will appear in ______.
Two alternative forms of genes or alleles are located on ______.
Mendel was successful in his experiments because:
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.
