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Due to incomplete linkage in maize, the ...

Due to incomplete linkage in maize, the ratio of parental and recombinants are

A

`50:50 `

B

`7:1:1:7`

C

`96.4: 3.6`

D

`1:7:7:1`

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Knowledge Check

  • Due to incomplete linkage in maize, the ratio of parental and recombinates are …………….. .

    A
    `50:50`
    B
    `7:1:1:7`
    C
    `96.4:3:6`
    D
    `1:7:7:1`

  • Identify the incorrect statements from the below (I) Incomplete linkage 1:1:1:1 ratio is not obtained in test cross. (II) Synaptonemal complex prevents crossing over in Drosophila. (III) Crossing over is the reason for incomplete linkage. (IV) The horizontal cut will not create recombinants according to Robin Holliday.

    A
    I, II and IV
    B
    I and IV
    C
    III and IV
    D
    I, III and IV

  • Incomplete linkage was reported in _____

    A
    Drosophila
    B
    Neurospora
    C
    Maize
    D
    Paddy

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    Assertion : When yelow bodied, white eyed Drosophila females were hybridised with brown-bodied, red eyeed males , and F_(1) progeny was intercrossed, F_(2) ratio deviated from 9:3:3:1 Reason : When two genes in a dihybrid are on same chromosome, the proportion of parental gene combinations are much higher than the non-parental type

    Two genes R and Y are located very close on the chromosomal linkage map of maize plant. When RRYY and rryy genotypes are hybridized, the F_2 segregation will show:

    Which of the following sentences are correct? 1. The offspring exhibit only parental combinations due to incomplete linkage. 2. The linked genes exhibit some crossing over in complete linkage. 3. The separation of two linked genes are possible in incomplete linkage. 4. Crossing over is absent in complete linkage.

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    In Morgan's experiments on linkage, the percentage of white eyed, miniature winged recombinants in F_(2) generation is

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