Producing New Cells Flashcards
What is a chromosome complement?
The amount of chromosomes in the nucleus of the cell to ensure the cell as the characteristics of its species
What is the chromosome complement of a human cell?
46
What cell type has 2 sets of chromosomes?
Diploid cell
What cell type has one set of chromosomes?
Haploid cell
Name 2 haploid cells?
Sperm & egg cells
Why are new cells needed?
To grow and repair
What is mitosis?
The biological process where diploid body cells divide into new cells
What is the first stage of mitosis?
Chromosomes condense in the parent cell
What is the second stage of mitosis?
Chromosomes replicate, forming pairs of chromatids
What is the third stage of mitosis?
Spindle fibres form, and the pairs of chromatids line up at the equator of the cell
What is the fourth stage of mitosis?
Spindle fibres attach to the centromere is the chromatids and pull the chromatids towards the poles of the cell
What is the fifth stage of mitosis?
Two nuclear membranes form, the cytoplasm divides and 2 new daughter cells are formed