A) single stranded
B) four stranded
C) six stranded
D) eight stranded
Correct Answer: B
Solution :
During pachytene stage of meiosis, homologous, chromosomes form bivalent. Each chromosomes in a bivalent has two chromatids. So, a bivalent consist of four chromatids and known as tetrad or chromosomes appear four stranded, during pachytene and before bivalent formation chromosomes consist of two strands..
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