A) a male and a female gamete
B) mRNA and ribosomes
C) spindle fibres and centromere
D) two homologous chromosomes
Correct Answer: D
Solution :
In zygotene of prophase-I, homologous chromosomes pair up. This process is called synapsis. One chromosome of the pair is from the male parent and one from the female parent.You need to login to perform this action.
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