ravenwolf73
Answered

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The root tip cells of an onion plant have 8 pairs of chromosomes. Which of the following correctly describes the number of chromosomes in an onion root tip cell at a specific stage of the cell cycle?
A. At the end of the synthesis phase, an onion root tip cell will have a total of 32 unique chromosomes.
B. In metaphase, an onion root tip cell will have a total of 16 unique chromosomes composed of 32 chromatids.
C. After cytokinesis, a daughter onion root tip cell will have a total of 8 unique chromosomes.
D.After cytokinesis, a daughter onion root tip cell will have a total of 32 unique chromosomes. Plz answer quickly

Sagot :

rhyledinbertlandicho

Explanation:

The root tip cells of onion were used to test the potentially genotoxic effects of Alprazolam. The test was carried out according to Fiskesjö protocol (4, 11-12) with some modifications. Common onion (Allium cepa L.) has eight pairs of relatively large chromosomes (2n = 16) that allows for the easy detection of CAs.

Answer:

B

Explanation:

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