LABORATORY REVIEW
MITOSIS AND MEIOSIS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
to replace old cells such as red blood cells
|
|
|
to replace old chromosomes
|
|
|
to form gametes (e.g. sperm and ova)
|
|
|
to form new somatic cells
|
Detailed explanation-1: -Chromosomes in the original cell are duplicated to ensure that the two new cells have full copies of the necessary genetic information. The process of mitosis generates new cells that are genetically identical to each other. Mitosis helps organisms grow in size and repair damaged tissue.
Detailed explanation-2: -In unicellular organisms such as bacteria, mitosis is a type of asexual reproduction, making identical copies of a single cell. In multicellular organisms, mitosis produces more cells for growth and repair.
Detailed explanation-3: -Mitosis is important to multicellular organisms because it provides new cells for growth and for replacement of worn-out cells, such as skin cells. Many single-celled organisms rely on mitosis as their primary means of asexual reproduction.
Detailed explanation-4: -The aim of mitosis is to separate the genome and ensure that the two daughter cells inherit an equal and identical complement of chromosomes (Yanagida 2014).
Detailed explanation-5: -In single-celled organisms, the act of mitosis is asexual reproduction. Single-celled organisms use mitosis to reproduce and distribute their DNA.