so, doctor, what is lhon? mitochondria. those are the things in cells that supply energy....
TRANSCRIPT
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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.
That's right! Now
what do you know about genes?
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Genes control a lot of your features – like your eye colour. You get them from your dad’s sperm
cell and your mum’s egg cell.
Well done!What normally
happens when a sperm fertilises
an egg?
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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?
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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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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:
How 2-parent fertilisation usually happens The scientists' idea for 3-parent fertilisation Why and how 3-parent fertilisation might
help them in future…if they can wait.
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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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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.
With 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.
With A Levels, including at least one in a relevant science, you could begin a 4-year degree course.
Nurses with diplomas or degrees