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.

Question

04-03-2021
Advanced Placement (AP)

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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.

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greenmorgan333 greenmorgan333 · Answer 1 · 2021-03-11T12:38:33-05:00

greenmorgan333 greenmorgan333

11-03-2021

Answer:

The answer is, At the end of the synthesis phase, an onion root tip cell will have a total of 32 unique chromosomes.

or A

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jayilych4real jayilych4real · Answer 2 · 2021-11-19T06:21:41-05:00

The statement which correctly describes the number of chromosomes in an onion root tip cell at a specific stage of the cell cycle is:

A. At the end of the synthesis phase, an onion root tip cell will have a total of 32 unique chromosomes.

According to the given question, we are asked to show the statement which correctly describes the number of chromosomes in an onion root tip cell at a specific stage of the cell cycle.

As a result of this, we can see that a chromosome is a DNA molecule which contains genetic information and undergoes many phases during cell division.

With this in mind, we can see that when an onion root tip cell gets to the synthesis phase, then it would have a total of 32 unique chromosomes as a result of the cell division which took place.

Therefore, the correct answer is option A

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