Linkage in Drosophila was first discovered by

  • A

    Morgan

  • B

    Bateson and Punnet

  • C

    Sturtevant

  • D

    Bridges

Similar Questions

$A$ : Crossing over is exchange of genetic material between non-homologous chromosomes.
$R$ : It produces new linkages.

Describe linkage and recombination in detail.
 

Given below are two statements : one is labelled as Assertion $(A)$ and the other is labelled as Reason $(R)$.

Assertion $(A)$:

Mendel's law of Independent assortment does not hold good for the genes that are located closely on the same chromosome.

Reason $(R):$

Closely located genes assort independently.

In the light of the above statements, choose the correct answer from the options given below:

  • [NEET 2022]

Percentage of recombination between $A$ and $B$ is $9\%$ and $C$ is $17\%$, $B$ and $C$ is $26\%$, then the arrangement of genes is

The tendency of genes to remain together during the process of inheritance is known as