The event of recombination will occur in between

1.	All chromatids of homologous chromosomes
2.	Only non-sister chromatids of homologous chromosomes
3.	The complete homologous chromosomes
4.	All type of chromosomes

The division of Prophase in the five phases is done on the basis of

Which of the following does not belong to Prophase I

Compaction of chromosomes occurs in

The stage at which chromosomes start pairing together is

A.      Pachytene

B.      Zygotene

C.      Leptotene

D.     Diplotene

The synaptonemal complex is visible under

The synapsed homologous chromosomes form

A.      Tetrad

B.      Bivalent

C.      Both A and B

D.     Diad

Bivalent is clearly visible at which stage?

A.      Pachytene

B.      Leptotene

C.      Zygotene

D.     Diplotene

Which of the following is the shortest phase among the following?

The appearance of recombination nodule is  a characteristic feature of