Cell cycle and cell division. Types of sexual reproduction. 1. Chromosomes morphology

Plan

1. Chromosomes morphology

2. Cell cycle and cell division

3. Mitosis

4. Meiosis

5. Comparison of mitosis and meiosis

6. Types of sexual reproduction

7. Apoptosis

Fig. Fluorescent electron micrograph of the cell division with mitotic spindle

acrocentricmetacentricsub metacentric

Fig. Schematic representation of metacentric, sub metacentric and acrocentric chromosomes

Fig. Binary division

Fig. The eukaryotic cell cycle

Fig. Stages of mitosis

Fig. Anaphase only begins when all chromatids are correctly attached to spindle microtubules.

Fig. Events during mitotic stages

Stages of meiosis

Fig. Distribution of genetic material during mitosis

Fig. Distribution of genetic material during meiosis

The complex control systems that regulate the decision to die or survive