Cell Cycle and Cell Division Question 47
47. During meiosis I, the chromosomes start pairing at
[NEET Kar. 2013]
(a) Leptotene
(b) Zygotene
(c) Pachytene
(d) Diplotene
Show Answer
Answer : b
Hints & Solutions
(b) During zygotene, a substage of Prophase I of meiosis I, chromosomes start pairing together by a process called synapsis. Such paired chromosomes are called as homologous chromosomes. A complex structure i.e., synaptonemal complex is formed by a pair of synapsed homologous chromosomes called a bivalent or a tetrad.
