Question

If the n = 16 in plant cell than what is possible in metaphase I of meiosis?

• A. 32 bivalents
• B. 16 tetravalents
• C. 16 bivalents
• D. 32 tetravalents

Answer 1

The correct option is C 16 bivalents

The plant cell contains n = 16, where n represents the haploid number of chromosomes. The plant cell which will undergo meiotic division will contain the diploid number of chromosomes, 2n = 32.

The cell replicates the genetic material in the S-phase to form the 32 replicated chromosomes. The homologous chromosomes are aligned together in the metaphase I to form the bivalent. So, if there are 32 chromosomes which pair up with the homolog, this will result in the formation of 16 bivalents.

Thus, the correct answer is option C.