PATHOLOGY

PATHOLOGY MCQ

CELL DAMAGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Two nuclei are ____ during telophase
A
Synthesized
B
Broken down
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -During telophase, two nuclei form, one at each pole. The nuclear membrane forms, the spindle apparatus disappears, the chromosomes uncoil, nucleoli reappear. This marks the end of mitosis. As a result of mitosis, the cell now contains two identical nuclei.

Detailed explanation-2: -During the completion of mitosis (telophase), two new nuclei form around the separated sets of daughter chromosomes (see Figure 8.29).

Detailed explanation-3: -Telophase I: The chromosomes are now at opposite ends of the cell and begin to form two distinct chromosome clusters. At this point, nuclear division begins, and the parent cell is divided in half, forming 2 daughter cells. Each daughter cell will have half of the original 46 chromosomes, or 23 chromosomes.

Detailed explanation-4: -Four haploid nuclei (containing chromosomes with single chromatids) are formed in telophase II.

Detailed explanation-5: -During telophase, the newly separated chromosomes reach the mitotic spindle and a nuclear membrane forms around each set of chromosomes, thus creating two separate nuclei inside the same cell.

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