Question

1. if an onion cell begins with 8 chromosomes, how many chromosomes will each daughter cell have at the end of mitosis?
2. what is the easiest phase of mitosis to identify?
3. what characteristics help you identify these cells?

chromosomes are lined up down the ______.

Explanation:

Question 6

Step1: Recall mitosis principle

Mitosis is a cell division process where the daughter cells receive the same number of chromosomes as the parent cell. The parent onion cell has 8 chromosomes.

Step2: Determine daughter cell chromosomes

Since mitosis preserves the chromosome number, each daughter cell will have the same number of chromosomes as the parent cell. So, \( 8 \) chromosomes.

The easiest phase of mitosis to identify is often the metaphase. In metaphase, chromosomes align at the cell's equatorial plate (middle), making their arrangement distinct and easy to observe under a microscope. Other phases like prophase (chromatin condensation), anaphase (chromosome separation), and telophase (cell division completion) have less distinct or more dynamic visual cues compared to the orderly alignment in metaphase.

In mitotic metaphase, chromosomes line up along the equatorial plate (also called the metaphase plate) of the cell. This is a key characteristic of metaphase, where the spindle fibers attach to the chromosomes and align them in the middle of the cell (between the two poles) to ensure equal distribution to daughter cells during anaphase.

Answer:

Each daughter cell will have 8 chromosomes.

Question 7