Two genes $R$ and $Y$ are located very close on the chromosomal linkage map of maize plant. When $RRYY$ and $rryy$ genotypes are hybridized, then $F_{2}$-segregation wii show

  • A

    $1: 2: 1$

  • B

    $3: 1$

  • C

    $9: 3: 3: 1$

  • D

    $1: 1: 1$

Similar Questions

Give differences : Crossing over and Linkage
 

Select the correct statement from the ones given below with respect to dihybrid cross.

  • [AIPMT 2010]

Linkage decreases the frequency of

Crossing over in diploid organism is responsible for

  • [AIPMT 1998]

The map distance between genes $A$ and $B$ is $3$ units, between $B$ and $C$ $10$ units and between $C$ and $A$ $7$ units. The order of the genes in a linkage map constructed on the above data would perhaps be