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DNA
Deoxyribonucleic acid
Nucleotides
The repeating units making up a DNA molecule
Complementary base pair rule
Cytosine only binds with guanine; thymine only binds with adenine
Chromosome
DNA structure, single or double-stranded; Chromatid:Identical copies of DNA in a double-stranded chromosome
Mitosis
Nucleus division producing 2 identical daughter cells
Interphase
Not part of mitosis; DNA and cell organelles replicate
Reproduction
Ensures species survival; Asexual:one parent, identical offspring; Sexual:two parents, varied offspring
Asexual reproduction types
Binary fission, Budding, Parthenogenesis
Vegetative propagation forms
Runners, Rhizomes, Bulbs; Advantage:Rapid production of identical offspring
Meiosis
Cell division producing 4 haploid daughter cells; Occurs in plants (Anther, Ovary) and animals (Testis, Ovary)
Fertilisation
Occurs in the fallopian tube; Implantation:Occurs in the uterus
Note
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