In meiosis,crossing over is initiated at:

In meiosis,the number of chromosomes is ..............

The enzyme recombinase is required in which stage of meiosis?

During the process of crossing over,what do homologous chromosomes exchange?

$A -$ Meiosis is called the reduction division.
$R -$ It reduces the chromosome number by half while making the gametes.

Assertion : Diplotene is characterized by the presence of chiasmata.
Reason : Diplotene can last for months and years in oocytes of some vertebrates.