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Life Science: Genes & Molecular Machines (Heredity (Phenotype…
Life Science: Genes & Molecular Machines
Heredity
Phenotype
Physical Appearence
Environmental conditions can change and organism
Genotype
Genetic Makeup
Depends on characteristics
Differences and Similarities passed from parents to offspring
Cell Division
Mitosis
Divides into 2 daughter cells
Goes through process once
Repairs skin cells
Meiosis
Divides into 4 daughter cells
Goes through process twice
Repairs regular cells
Types of Cells
Eukaryotic Cells
Nucleus
Membrane bound nucleus
Prokaryotic
No Nucleus, just floating DNA
No membrane bound nucleus
Flowering Plants
& Seeds
Self-Pollination
Self-Pollination is when the same flower transfers pollen to its own stigma
Cross-Pollination
Cross-Pollination is when reproductive cells of another plant is transferred to the stigma of another plant.