IGCSE Human Biology: Reproduction

Revolting post ahead (or so Gary tells me ūüôā I have no filtering... ). ¬†Sensitive constitutions should exit ASAP. ¬†You have been warned. Learning about reproduction with five teenagers can be humorous, not to mention embarrassing...for them. ¬†I was adamant that I would teach this to them without all the embarrassed giggles one might expect…

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Genetics: Cell division – Meiosis

We are currently working through the specification for an IGCSE in Biology. ¬†The following is copied straight from that specification and is all the information we need to know about meiosis: Understand that division of a cell by meiosis produces four cells, each with¬†half the number of chromosomes, and that this results in the formation…

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Genetics: Cell division – Mitosis

We are currently working through the specification for an IGCSE in Biology. ¬†The following is copied straight from that specification and is all the information we need to know about mitosis: Understand that division of a diploid cell by mitosis produces two cells which¬†contain identical sets of chromosomes. Understand that mitosis occurs during growth, repair,…

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Illustrating Mendelian Genetics: Mr and Mrs Apple-head and their Applettes

Breeding Mr and Mrs Apple-heads to create some Applettes Yesterday I posted about our Gregor Mendel scientist study. ¬†We finished up our study with a bit of fun, making our own father and mother Apple-heads. ¬†It was a really great way to check the children fully understood the new vocabulary: allele, phenotype, genotype, recessive, dominant,…

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Scientist Study: Gregor Mendel – Simple Genetics

Who is Gregor Mendel? Gregor Mendel is regarded as the first ever geneticist. ¬†He overcame poverty and the death of his father, funded his own education and finally joined the abbot to continue with his studies. He spent much of his adult life trying to answer the following question: How do mothers and fathers -…

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Scientist Study: Watson and Crick

Crick and Watson were 20th century scientists accredited (with help from Franklin and Wilkins) for discovering the structure of DNA (DeoxyriboNucleic Acid), one of the most significant discoveries of that century. ¬†The three men were awarded a nobel prize for discovering the 'secret of life'. ¬†Franklin had died and so missed out, even though it…

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