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प्रश्न
Discuss any two points due to which Mendel got success in his experiment?
उत्तर
Following are the reasons for Mendel’s success:
- His experiments were carefully planned and involved a large sample.
- He carefully recorded the number of plants of each type and expressed his results as ratios.
- In the pea plant, contrasting characters can be easily recognized.
- The seven different characters in the pea plant were controlled by a single factor each.
- The factors are located on separate chromosomes and these factors are transmitted from generation to generation.
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संबंधित प्रश्न
Describe quantitative inheritance controlled by two pairs of genes.
Explain the following term :
Heterozygous
In Mendel’s experiments, tall pea plants (T) are dominant over dwarf pea plants (t).
What is the phenotype and genotype of the F1 generation if a homozygous tall plant is crossed with a homozygous dwarf plant?
Distinguish between monohybrid and dihybrid cross.
Define the following:
Homozygous
Explain the following term : Homozygous
Answer the following question.
Compare in any three ways the chromosomal theory of inheritance as proposed by Sutton and Bovery with that of experimental results on pea plant presented by Mendel.
Give Reason:
Discontinuous variations are inheritable.
If linkage was known at the time of Mendel then which of the following laws, he would not have been able to explain?
New species may be formed if
- DNA undergoes significant changes in germ cells
- chromosome number changes in the gamete
- there is no change in the genetic material
- mating does not take place
