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Synapsis occurs between
A
Two homologous chromosomes
B
A male and a female gamete
C
mRNA and ribosomes
D
Spindle fibres and centromere
Detailed Solution
During the zygotene stage of prophase I of meiosis, the chromosomes start pairing together; this process of association is called synapsis.
The paired chromosomes are the homologous chromosomes, one from each parent.
Synapsis is accompanied by the formation of a synaptonemal complex, and the pair so formed is called a bivalent or tetrad.
The fusion of male and female gametes is syngamy, not synapsis.
Hence synapsis occurs between two homologous chromosomes.
The paired chromosomes are the homologous chromosomes, one from each parent.
Synapsis is accompanied by the formation of a synaptonemal complex, and the pair so formed is called a bivalent or tetrad.
The fusion of male and female gametes is syngamy, not synapsis.
Hence synapsis occurs between two homologous chromosomes.