Home
Class 12
BIOLOGY
R is dominant red flowerr trait while r ...

R is dominant red flowerr trait while r is recessive white flower trait. Heterozygous Rr (red) is crossed with homozygous red flowered plant. 64 offspring are produced. Number of white flowered plants is:-

A

64

B

32

C

16

D

0

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

RR (red) is crossed with ww (white). All Rw offsprings are pink. This indicates that R-gene is

In Mirabilis, red flowered plant crossed with white flowered one resulted in all pink flowered plants. What are the chances of appearance of red flowered plant in a cross between pink and white flowered plant?

A pea plant with purple flowers was crossed with white flowers producing all 50 plants with only purple flowers. On selfing, these plants produced 482 plants with purple flowers and 162 with white flowers. What genetic mechanism accounts for these results? Explain.

In peas, tallness is dominant over dwarfness, and red colour of flowers is dominant over the white colour. When a tall plant bearing red flowers was pollinated by a dwarf plant bearing white flowers, the different phenotypic groups were obtained in the progeny in numbers mentioned against them Tall, Red = 138 Tall, White = 132 Dwarf, Red = 136 Dwarf, White = 128 Mention the genotypes of the two parents and of the types of four offspring

Two pink coloured flowers on crossing resulted in 1 red, 2 pink and 1 white flower progenny. The nature of the cross will be

(i) Why are two letters (such as TT, Tt, tt) used to denote the character of height? (ii) If a purple pea plant (PP) is crossed with a white coloured pea plant (pp), will we have white flowered pea plant in the F, generation? Why? (iii) Define dominant and recessive traits.

If a true breeding homozygous pea plant with green pod and axial flowers as dominant characters is crossed with a recessive homozygous pea plant with yellow pods and terminal flowers, then what would be the : Genotypes of the two parents Phenotypes and genotypes of the F_1 offspring Phenotypic and genotypes ratio in F_2 population

In a particular plant species majority of the plants bear purple flowers. Very few plants bear white flowers. No intermediate colours are observed. If you are given a plant bearing purple flowers, how would you ascertain that it is a pure breed for that trait? Explain.

TRUEMAN BIOLOGY-PRINCIPLES OF INHERITANCE AND VARIATIONS -MCQs
  1. "Gametes are never hybrid ". It is a statement of law of

    Text Solution

    |

  2. 23 pairs of chromosomes can give rise to how many combinations?

    Text Solution

    |

  3. R is dominant red flowerr trait while r is recessive white flower trai...

    Text Solution

    |

  4. In complementary genes, the dihybrid ratio of 9:3:3:1 is modified to

    Text Solution

    |

  5. Select the statement which is not correct?

    Text Solution

    |

  6. On selfing a plant of F(1)-generation with genotype "AaBbCC", the phen...

    Text Solution

    |

  7. Individual with solid symbol is sufferer of a genetic disease due to r...

    Text Solution

    |

  8. Rh factor found in man and Rhesus monkey was discovered by

    Text Solution

    |

  9. Gene is a stable discrete unit of information (heredity). This term ge...

    Text Solution

    |

  10. The type of inheritance shown by Mendel in pea is:-

    Text Solution

    |

  11. A gene which can occur is more than two alternative forms present on t...

    Text Solution

    |

  12. Male honey bee has 16 chromosomes. What is the number chromosomes in w...

    Text Solution

    |

  13. Balbiani rings re found in

    Text Solution

    |

  14. In plants maximum number of chromosomes (2n=1262) are found in

    Text Solution

    |

  15. Unit of distance between genes in a chromosome is known as

    Text Solution

    |

  16. To make a karyotype, chromosomes are photographed during :

    Text Solution

    |

  17. In halpoids, both recessive and dominant limitations express themselve...

    Text Solution

    |

  18. Drosophila is used in the study of genetics because

    Text Solution

    |

  19. According to Chromosome theory of linkage of morgan and castle(1912)

    Text Solution

    |

  20. Gyanodromorphs appear in Drosophila because of

    Text Solution

    |