Cell Division (1)

Science

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Nucleus

Contains chromosomes

Chromosomes

Contains DNA molecule

Deoxyribonucleic acid (DNA)

Made up of nucleotides (deoxyribose sugar, nitrogenous base, phosphate)

Gene

Basic hereditary unit that determines an individual's characteristics

Relationship between chromosome, DNA & gene

Normal cell of human

Contains 46 chromosome

Homologous chromosomes

Exists in pairs of similar shapes & sizes

Type of chromosomes

Sex chromosomes (X&Y)/ Autosomes

Mitosis

Cell division that forms two identical daughter cells

Meiosis

Cell division that forms four distinct daughter cells

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