Home
Class 12
BIOLOGY
Give reason. a. Mendel selected garden...

Give reason.
a. Mendel selected garden pea (Pisum sativum) as his experimental plant.
b. Blood group identification is not required while transfusing serum.

Text Solution

Verified by Experts

a. Garden pea (Pisum sativum) shows a large number of contrasting characters. Moreover the hybrids are fertile, easy to cultivate, short growth period and life cycle, availability of pure breeding varieties etc. All these are the reasons for the selection of garden pea as his experimental material.
b. Serum does not contain any antigen.
Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES OF INHERITANCE AND VARIATION

    NEW JOYTHI PUBLICATION|Exercise PREVIOUS YEAR HSE QUESTIONS|3 Videos
  • PRINCIPLES OF INHERITANCE AND VARIATION

    NEW JOYTHI PUBLICATION|Exercise PREVIOUS YEAR COMPETITIVE EXAM QUESTIONS|72 Videos
  • PRINCIPLES OF INHERITANCE AND VARIATION

    NEW JOYTHI PUBLICATION|Exercise PREVIOUS YEAR COMPETITIVE EXAM QUESTIONS|72 Videos
  • ORGANISMS AND POPULATIONS

    NEW JOYTHI PUBLICATION|Exercise CBSE Corner|6 Videos
  • REPRODUCTION IN ORGANISMS

    NEW JOYTHI PUBLICATION|Exercise CBSE Corner|3 Videos

Similar Questions

Explore conceptually related problems

Why Mendel selected garden pea plant for his hybridisation experiments ?

(a) What is collateral vascular bundle? (b) Why did Mendel select pea plant for his experiment?

a. The following are the important steps in plant breeding for developing a new plant variety. List them in the correct order: i. Seed multiplication ii. Release of a variety iii. Distribution iv. Evaluation v. Creation of genetic variation vi. Selection b. In spite of the proper application of fertilizers, irrigation and pest and disease control the yield, quality and disease and pest resistance of a self pollinated crop variety is decreasing generation after generation. Suggest a possible reason for this experience. Hint: The farmer is using seed collected from his own field for raising successive crops.

Note the relationship between the first two words and suggest a suitable word for the 4th place. a. Genetics - Bateson : Genes - b. Visible characters of an organism - Phenotype :: Genetic constitution of an organism. c. Epigenesis - Wolf :: Blending inheritance - d. Multiple alleles - Blood group : Polygenic traits - e. Heredity - Resemblance between parents and offspring : Variation - f. Garden pea - Pisum sativum - Sweet pea - g. Monohybrid ratio - 3:1 :: Dihybrid ratio

Gopalan cultivated a variety of fruit crops and plants in his field and Raman destroyed the fruit crops and plants and cultivated rubber trees which are double in number. a. In your opinion which method is suitable for the ecosystem? Give reason. b. mention any three factors for the extinction of species.

Harish observed two different types of papaya plants in his garden. One produced male flowers only and the other type produced female flowers as well as fruits. a. What are these type of plants called in which male and female flowers seen separately? b. Name another plant with the same feature. c. If both male and female flowers are seen separately in the same plant, what do you call them? Give examples.

Ramu cultivated pea plants as an inter crop in his paddy field. After harvesting, he allowed the roots of the pea plants remain in the soil for some period. a. Is the action of Ramu reasonable? b. Justify your answer.

NEW JOYTHI PUBLICATION-PRINCIPLES OF INHERITANCE AND VARIATION -NEW EVALUATION TYPE QUESTIONS
  1. What do the following genetic symbols mean? Аа, АА

    Text Solution

    |

  2. Three children of a family have blood groups A, AB and B. What could b...

    Text Solution

    |

  3. Give reason. a. Mendel selected garden pea (Pisum sativum) as his ex...

    Text Solution

    |

  4. In man, four types of blood groups A, B, AB and O are controlled by th...

    Text Solution

    |

  5. What does the letter F(1) represent in heredity?

    Text Solution

    |

  6. Match the related items from B and C with column A.

    Text Solution

    |

  7. Identify the personality.

    Text Solution

    |

  8. Name the pigment that gives colour to the skin of man.

    Text Solution

    |

  9. Match the following.

    Text Solution

    |

  10. Mendel, in his last breath said 'Meine zeit word schoon kommen'. What ...

    Text Solution

    |

  11. Give the scientific names of the following. 4 o'clock plant, Sweet p...

    Text Solution

    |

  12. Who discovered blood groups?

    Text Solution

    |

  13. Discuss under what conditions the ratio 9:3:3:1 is modified to 9:7 rat...

    Text Solution

    |

  14. A plant with red flowers was crossed with another plant of the same sp...

    Text Solution

    |

  15. All test crosses are back cross. But all back crosses are not test cro...

    Text Solution

    |

  16. Copy and complete the checker board of dihybrid cross. Write the genot...

    Text Solution

    |

  17. Test cross is used to identify whether the plant is homozygous or hete...

    Text Solution

    |

  18. Note the relationship between the first two words and suggest a suitab...

    Text Solution

    |

  19. Find the odd one of the following: a. Alkaptonuria, Phenylketonuria,...

    Text Solution

    |

  20. Give reason a. Drosophila is the ideal material for genetic study. ...

    Text Solution

    |