Question
Biology Question on Meiosis
Synapsis occurs between
A
Spindle fibres and centromere
B
Two homologous chromosomes
C
mRNA and ribosomes
D
A male and a female gamete
Answer
Two homologous chromosomes
Explanation
Solution
During zygotene or zygonema of meiotic prophase I the chromosomes become shorter and thicker. The homologous chromosomes come to lie side-by-side in pairs. This pairing of homologous chromosomes is known as synapsis, or syndesis. A pair of homologous chromosomes lying together is called a bivalent.