Question
Biology Question on cell cycle and cell division
Zygotene of prophase-l is characterised by
A
chromomeres
B
synaptonemal complex
C
crossing over
D
terminalisation of chiasmata
Answer
synaptonemal complex
Explanation
Solution
During zygotene of meiotic prophase I, chromosomes start pairing and are called homologous chromosomes. A pair of homologous chromosomes lying together is called a bivalent. The complex formed by a pair of synapsed homologous chromosomes is called synaptonemal complex.