RELEVANT LEARNING OUTCOME:
This section covers some important terminologies/general concepts for the subsequent subsections
Different types of cell division
Introduction to Cell cycle
Structure of chromosome
👁️🗨️ Watch the video to learn more about Binary Fission, a type of cell division. However, you don't need to know the details of this process (yet).
👁️🗨️ Watch the top video from 2:47 to learn more about these terms.
Chromatin:
Chromosome:
Chromatid
DNA
👁️🗨️ Watch the video below to learn more about these terms.
Homologous Chromosomes vs sister chromatids
a) 23
b) 46
c) 23
d) 23
2. The diagram shows the production of a zygote.
Which correctly describes the zygote?
Ans: D
At what stages does the DNA in our cells (cell cycle) exist as chromosomes, chromatin, and chromatids?
Chromatin: during DNA replication
Chromosome: during prophase of mitosis
Chromatid: after DNA replication (S-phase), one chromosome is made up of two sister chromatids
Cell Division: separation of a cell into two or more daughter cells.
Nuclear Division: mitosis or meiosis – the equal division of the nuclear contents into two daughter nuclei, but not the cell.