Home
Class 12
BIOLOGY
Given below is a pedigree chart of a fam...

Given below is a pedigree chart of a family with five children. It shows the inheritance of attached ear lobes as opposed to the free ones. The squares represent the male indiones. The squares represent the male individuals and circles the female individuals

Which of one of the following conclusions drawn is correct?

A

The parents are homozygous recessive

B

The trait is Y-linked

C

The parents are homozygous dominant

D

The parents are heterozygous

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • Plant Physiology

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|91 Videos
  • Protista

    TRUEMAN BIOLOGY|Exercise ASSERTION AND REASON|6 Videos

Similar Questions

Explore conceptually related problems

Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for the character

Study the pedigree chart given, showing the Inheritance pattern of blood groups in a family and answer the following questions (a) Give the possible genotypes of the individuals 1 and 2. (b) Which antigen or antigens will be present on the plasma membranes of the RBC's of individuals 5 and 9. (c) Give the genotypes of the individuals 3 and 4.

A pedigree chart given here, presents a particular generation which shows a trait irrespective of sexes (ie.. present in both male and female). Neither of the parents of the particular generation shows that trait. Draw your conclusion on the basis of the pedigree.

Study the given pedigree chart showing the pattern of blood group inheritance in a family (a) Given the genotype of the following: (i)Parents (ii) The individual 'X' in second generation (b) State the possible blood groups of the individual 'Y' in third generation (c) How does the inheritance of this blood group explain codominance?

Distinguish between unisexual and bisexual flowers giving one example of each. Draw a neat diagram showing fertilisation in a flower and label: a] Pollen tube b] Male germ cell c] Female germ cell, on it. OR Draw the diagram showing the germination of pollen on stigma and label the part on which pollination takes place. Answer the following questions based on diagram given aside. i] Name the part marked 'P. in the diagram. ii] How does 'P. reach part 'B'? iii] State the importance of the part 'C'. iv] What happens to the part marked 'D' after fertilisation is over? Mention the role of gamete and zygote in sexually reproducing organisms.

TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. Scientist who was awarded nobel prize for finding to be linearly arran...

    Text Solution

    |

  2. Christmas disease is another name of

    Text Solution

    |

  3. Given below is a pedigree chart of a family with five children. It sho...

    Text Solution

    |

  4. Given below is the representation of a kind of chromosomal mutations ...

    Text Solution

    |

  5. Two genes R and Y are located very close on the chromosomal linkage ma...

    Text Solution

    |

  6. In pea plants, yellow seeds are dominant to green. If a heterozygous y...

    Text Solution

    |

  7. In m aize, hybrid vigour is exploited by

    Text Solution

    |

  8. A human male produces sperms with the genotypes AB, Ab, aB, and ab per...

    Text Solution

    |

  9. A pea plant with purple flowers was crossed with white flowers produci...

    Text Solution

    |

  10. Match list I with list II and select the correct answer using the code...

    Text Solution

    |

  11. Telemere repetitive DNA sequences control the function of eukarote chr...

    Text Solution

    |

  12. In the hexaploid wheat, the haploid (n) and basic (x) numbers of chrom...

    Text Solution

    |

  13. Molecular basis of organ differentiation depends on the modulation in ...

    Text Solution

    |

  14. A sequential expression of a set of human genes occurs when a steroid ...

    Text Solution

    |

  15. Grain colourr in wheat is determined by 3 pairs of polygenes. A cross ...

    Text Solution

    |

  16. Match list-I with list-II and select the correct answer using the code...

    Text Solution

    |

  17. Match list-I (structural) with list-II (name) and select the correct a...

    Text Solution

    |

  18. Heterochromatinisation takes place

    Text Solution

    |

  19. Match list-I with list-II and select the correct answer using the code...

    Text Solution

    |

  20. Match list-I with list-II and select the correct answer using the code...

    Text Solution

    |