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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?

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(i)Test cross.
(ii)Test cross informs about homozygous or heterzygous dominat nature of genotype.
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A cross between F_(1) hybrid and its homozygous recessive parent is called

A cross between and F_1 hybrid and its homozygous recessive parent is called :

Knowledge Check

  • The back cross of F_(1) hybrid with the recessive parent is called :

    A
    Monohydrid cross
    B
    Reciprocal cross
    C
    dominant-recessive cross
    D
    Punnett square cross

  • What is the ratio of a progeny of cross between F_(1) heterozygous and recessive

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

  • The phenotypic ratio in a back cross between a trihybrid and homozygous recessive parent would be :-

    A
    `1:1`
    B
    `1:1:1:1`
    C
    `1:1:1:1:1:1`
    D
    `1:1:1:1:1:1:1:1`

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    Find correct number of statement (s) w.r.t test cross. (i) It s cross between dominant unknown genotype and recessive parent. (ii) It is cross between the progeny of F1 generation and recessive parent. (iii) To determine the genotype of a tall pea plant at F2 generation (iv) to find out the genotype of dwarf pea plant in F22 generation

    Write the percentage of pea plants that would be homozygous recessive in F_()

    Assertion : Test cross is the cross between the F_(1) progeny and either of the parenty types Reason : Back cross is rhe cross between F_(1) progeny and the double recessive genotype

    Two genes 'A' and 'B' are linked. In a dihybrid cross involving these two genes, the F_(1) heterozyogte is crossed with homozygous recessive parental type (aa bb). What would be the ratio of offspring in the next generation?

    Two gens 'A' and 'B' are linked . In a dihybrid cross involving these two genes the F_(1) heterozygote is corssed with homozygous recessive parental type (aa bb). What would be the ratio of offspring in the next generations

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