Home
Class 12
BIOLOGY
What is the cross between the progeny of...

What is the cross between the progeny of `F_1` and the homozygous recessive parent called ? How is it useful ?

Text Solution

Verified by Experts

When a progeny of `F_1` is crossed with the homozygous recessive parent, it is called Test cross. Thiscrossis helpfulin determining the genotype of an unknownprogeny i.e., whether it is heterozygous or homozygous dominant for the trait.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PRINCIPLES OF INHERITANCE AND VARIATION

    KUMAR PRAKASHAN|Exercise SECTION -E (SOLUTION OF NCERT EXEMPLAR ) ( SHORT ANSWER TYPE QUESTIONS )|15 Videos

  • PRINCIPLES OF INHERITANCE AND VARIATION

    KUMAR PRAKASHAN|Exercise SECTION -E (SOLUTION OF NCERT EXEMPLAR ) ( LONG ANSWER TYPE QUESTIONS )|6 Videos

  • PRINCIPLES OF INHERITANCE AND VARIATION

    KUMAR PRAKASHAN|Exercise SECTION -E (SOLUTION OF NCERT EXEMPLAR ) (MULTIPLE CHOICE QUESTION (MCQS))|18 Videos

  • ORGANISMS AND POPULATIONS

    KUMAR PRAKASHAN|Exercise SECTION - F (MULTIPLE CHOICE QUESTIONS)(MCQs ASKED IN COMPETITIVE EXAM)|103 Videos

  • REPRODUCTION IN ORGANISMS

    KUMAR PRAKASHAN|Exercise SECTION - F MULTIPLE CHOICE QUESTIONS (MCQs)|139 Videos

Similar Questions

Explore conceptually related problems

What is the interaction between two species called ?

What is "Filial"_1 progeny ?

Knowledge Check

  • Two genes .A. and .B. are linked. In a dihybrid cross involving these two genes, the F_1 heterozygote is crossed with homozygous recessive parental type (aa bb). What would be the ratio of offspring in the next generation ?

    A
    1:1:1:1
    B
    9:3: 3:1
    C
    3:1
    D
    `1:1`

  • The ratio of homozygous dominant and homozygous recessive in dihybrid cross is

    A
    ` 1 : 16`
    B
    `1:8`
    C
    `16:1`
    D
    none of these

  • A cross between hybrid and a recessive parent (Tt xx t t) gives a ratio of

    A
    `1:1 `
    B
    `2:1 `
    C
    ` 3:1`
    D
    `4:1`

    • Similar Questions

    Explore conceptually related problems

    A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4 then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population ?

    What is the average distance between covalent molecules of two atoms called ?

    In progeny of dihybrid cross in F_2 generation how many plants are homozygous recessive ?

    The ratio of 1:1:1:1 is obtained from a cross between the parents.

    The crossing of an organism with a double (homozygous) recessive in order to determine whether it is homozygous or heterozygous for a character under consideration is known as

    Home
    Profile