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Discontinuous variations are...

Discontinuous variations are

A

essential features

B

acquired characters

C

non-essential changes

D

mutations

Text Solution

Verified by Experts

The correct Answer is:
D
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Darwin called discontinuous variations as

What was the name given to discontinuous variations by Darwin?

Knowledge Check

  • Assertion Darwin regarded discontinuous variations more important than continuous variations. Reason The survial of the fittest is a result of selection and proliferation of fittest organisms.

    A
    Both Assertion and Reason are true, but Reason is the correct explanation of Assertion
    B
    Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
    C
    Assertion is true, but Reason is false
    D
    Assertion is false, but Reason is true

  • Read the following text and answer the following questions on the basis of the same: Mutation is sudden, discontinuous variation in genotype of an organism due to a change in its chromosomes and genes. Variation in DNA is a result of mutation. It is of three types : Gene mutation, chromosomal aberrations and gametic mutation. Gametic mutation is a change in chromosome number that brings effect on the phenotype, it is of two type - aneuploidy and euploidy. Mutation can be artificially produced by certain agents called mutagen. There are two major types of mutagens: physical and chemical mutagen. Change in sequence of nucleotide in DNA is known as ...... .

    A
    Translation
    B
    Recombination
    C
    Mutation
    D
    Transcription

  • Read the following text and answer the following questions on the basis of the same: Mutation is sudden, discontinuous variation in genotype of an organism due to a change in its chromosomes and genes. Variation in DNA is a result of mutation. It is of three types : Gene mutation, chromosomal aberrations and gametic mutation. Gametic mutation is a change in chromosome number that brings effect on the phenotype, it is of two type - aneuploidy and euploidy. Mutation can be artificially produced by certain agents called mutagen. There are two major types of mutagens: physical and chemical mutagen. Substitution of a purine with another purine is known as ...... :

    A
    Transversion
    B
    Inversion
    C
    Transition
    D
    Translocation

    • Similar Questions

    Explore conceptually related problems

    Give another name for discontinuous variations.

    Read the following text and answer the following questions on the basis of the same: Mutation is sudden, discontinuous variation in genotype of an organism due to a change in its chromosomes and genes. Variation in DNA is a result of mutation. It is of three types : Gene mutation, chromosomal aberrations and gametic mutation. Gametic mutation is a change in chromosome number that brings effect on the phenotype, it is of two type - aneuploidy and euploidy. Mutation can be artificially produced by certain agents called mutagen. There are two major types of mutagens: physical and chemical mutagen. Which is the main category of mutation ?

    Read the following text and answer the following questions on the basis of the same: Mutation is sudden, discontinuous variation in genotype of an organism due to a change in its chromosomes and genes. Variation in DNA is a result of mutation. It is of three types : Gene mutation, chromosomal aberrations and gametic mutation. Gametic mutation is a change in chromosome number that brings effect on the phenotype, it is of two type - aneuploidy and euploidy. Mutation can be artificially produced by certain agents called mutagen. There are two major types of mutagens: physical and chemical mutagen. Aneuploidy which occurs due to loss of a complete homologous pair of chromosomes is :

    Read the following text and answer the following questions on the basis of the same: Mutation is sudden, discontinuous variation in genotype of an organism due to a change in its chromosomes and genes. Variation in DNA is a result of mutation. It is of three types : Gene mutation, chromosomal aberrations and gametic mutation. Gametic mutation is a change in chromosome number that brings effect on the phenotype, it is of two type - aneuploidy and euploidy. Mutation can be artificially produced by certain agents called mutagen. There are two major types of mutagens: physical and chemical mutagen. Give one word for the following: Type of mutation that arise due to change in a single base pair of DNA.

    For Bateson mutation is discontinuous variation Evolution for Darwin was gradual while de Vries believed mutation caused species and hence called it

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