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So, Doctor, what is LHON? mitochondria. Those are the things in cells that supply energy. They're in the cytoplasm, yes? LHON is a disease of the mitochondria.

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Presentation on theme: "So, Doctor, what is LHON? mitochondria. Those are the things in cells that supply energy. They're in the cytoplasm, yes? LHON is a disease of the mitochondria."— Presentation transcript:

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3 So, Doctor, what is LHON? mitochondria. Those are the things in cells that supply energy. They're in the cytoplasm, yes? LHON is a disease of the mitochondria. That's right! Now what do you know about genes ?

4 Genes control a lot of your features – like your eye colour. You get them from your dads sperm cell and your mums egg cell. Well done! What normally happens when a sperm fertilises an egg?

5 The sperm nucleus gets into the egg. Then the egg nucleus and sperm nucleus join together to make your first complete cell. Exactly! But whose mitochondria did you get?

6 Yes. And I am afraid there's no treatment. But scientists are working on it. Let me explain. That's right! But mitochondria have a few genes in them, and Maya's are faulty. That's why she went blind. All your mitochondria come from your mum. You only get a nucleus from your dad. So her children will go blind too?

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8 Right, Darcy. I'll let you get back to your patients. You'll have to tell Maya and Jake that there is no solution to their problem. There might be a treatment in future, but will it be too late? Plan what to say to Maya and Jake. Prepare diagrams to help you explain: nHow 2-parent fertilisation usually happens nThe scientists' idea for 3-parent fertilisation nWhy and how 3-parent fertilisation might help them in future…if they can wait.

9 Can I ask you something else? I'm thinking of become a nurse or health care assistant. Can you tell me about your work? So what skills do health care assistants and nurses need? My job is not easy. I have to tell people difficult things. I need to be emotionally strong and physically fit. I have to stay calm in a crisis. But I love my work. It's really rewarding. And there's no chance to get bored!

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11 What about qualifications? Here – take a look at this leaflet. Health Care Assistants support other health professionals in hospitals or homes. You do not need academic qualifications, but experience in a caring role is helpful (try doing volunteer work with your local NHS Trust). Most health care assistants work towards NVQ levels 2 or 3 in 'health' or 'health and social care'. With NVQ Level 3 you could start a university-based nursing diploma. nWith 5 A-C grades at GCSE (including English) at aged 17½ you could begin a 3 year diploma course at university to train to be a nurse. You get a bursary of about £100 per week and all your fees are paid. n With A Levels, including at least one in a relevant science, you could begin a 4-year degree course. Nurses with diplomas or degrees


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