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Lecture 2 : Incomplete dominance ; Co-Dominance ; Inheritence of two genes

  • Chapter-5 Principles of Inheritance and Variation Assignments 1

    With the help of an example differentiate between incomplete dominance
    and co-dominance.

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  • Chapter-5 Principles of Inheritance and Variation Assignments 2

    A plant with red flowers was crossed with another plant with yellow
    flowers. If F1 showed all flowers orange in colour, explain the inheritance.

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  • Chapter-5 Principles of Inheritance and Variation Assignments 3

    Name any one plant that shows the phenomenon of incomplete dominance
    during the inheritance of its flower colour.

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  • Chapter-5 Principles of Inheritance and Variation Assignments 4

    In dogs, barking trait is dominant over silent trait & erect ears are dominant
    over drooping ears. What is the expected phenotypic ratio of offspring when
    dogs heterozygous for both the traits are crossed?

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  • Chapter-5 Principles of Inheritance and Variation Assignments 5

    A red eyed male fruitfly is crossed with white eyed female fruitfly. Work out
    the possible genotype & phenotype of F1 & F2 generation. Comment on the
    pattern of inheritance in this cross?

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  • Chapter-5 Principles of Inheritance and Variation Assignments 6

    In Antirrhinum majus a plant with red flowers was crossed with a plant
    with white flowers. Work out all the possible genotypes & phenotypes of F1
    & F2 generations comment on the pattern of inheritance in this case?

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  • Chapter-5 Principles of Inheritance and Variation Assignments 7


    Who had proposed the chromosomal theory of inheritance?

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  • Chapter-5 Principles of Inheritance and Variation Assignments 8

    Explain the following terms with example

    (a) Co-dominance

    (b) Incomplete dominance

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    • Description:-

    Lecture 2 :
    Today, we will discuss the next three topics of this chapter, i.e; Incomplete dominance ; Co-Dominance ; Inheritence of two genes  Chapter-5 Principles of Inheritance and Variation
    OBJECTIVES:
    1:  Learn about these topics  Incomplete dominance ; Co-Dominance ; 
    Inheritence of two genes 
    Important Tip:
     This lecture about Chapter-5 Principles of Inheritance and Variation is base for the further chapters. These topics help in many ways as to understand the and how we can use them. It help you in further studies also.
    Please go through the topic, their notes. Properly do the assignments, watch videos of the concerned topics. If you any doubt about any topic/point please submit it in the discussion section... it will be answered as soon as possible.
    After all of this... when you fell confident about the particular topic/chapter then take the quiz.

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