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Biology - Coggle Diagram
Biology
Meiosis
Process where gamtes are formed and two sets of divisions occur during meiosis
Crossing over
The exchange of genes between homologous chromosomes
Contributes to genetic variation
DNA replicaction occurs
Four haploid cells are formed
Occurs in sex cells
Mitosis
One division occurs during mitosis
Two identical cells are formed per cell cycle
The stages
Metaphase
Anaphase
Prophase
Telophase
Interphase
Only occurs in body cells
Helps with growth and repair
Two identical sister chromatids
Cell cycle regulation
Cyclin and kinases are the proteins that regulate the cells.
Ensures orderly progression from one phase to another
Apoptosis Is the programd deth of a cell
Phases
G! (chekpoint)
S (DNA synthesis)
Metaphase
G2 (chekpoint)
Introduccion al sistema reproductor
Caracteristicas sexuales
Primarias
Aparecen desde el nacimiento
Secundarias
Aparecen en la pubertad
Hormonas Masculinas y Femeninas
Masculinas
Testosterona
Femenina
Estrogeno/Progesterona