A) a male and a female gamete
B) mRNA and ribosomes
C) spindle fibres and centromere
D) two homologous chromosomes
Correct Answer: D
Solution :
| [D] 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. |
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