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Phenotype of an organism is the result o...

Phenotype of an organism is the result of

A

mutations and linkages

B

cytoplasmic effects and nutrition

C

environmental changes and sexual dimorphism

D

genotype and environmental interactions

Text Solution

Verified by Experts

The correct Answer is:
D
Phenotype is the observable characteristics or the total appearance of an organism. It is determined by its genes, the relationships between the alleles and by the interaction during development between its genetic constitution (genotype) and the environment.
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Give one word for the following : (i) Phenomenon which results in alternation of DNA sequences of consequently results in changes in the genotype and the phenotype of an organism. (ii) Type of mutation that arise due to change in a single base pair of DNA.

Why cannot you always identify the genotype of an organism from its phenotype?

Knowledge Check

  • Phenotype of an organism is result of

    A
    Mutations and linkage
    B
    Cytoplasmic effects and nutrition
    C
    Environmental changes and sexual dimorphism
    D
    Genotype and environment interactions

  • Phenotype is

    A
    The genetic make up of an individual
    B
    The same for parent and offspring
    C
    The account of physiological activites
    D
    The appearance of an individual

  • Assertion :- Mutation result in changes in the genetype and the phenotype of an organism. Reason :- Mutation is a phenomenon, which result in alternation of DNA sequences.

    A
    If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
    B
    If both Assertion & Reason are trur but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is True but the Reason is Flase.
    D
    If both Assertion & Reason are false.

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