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siniylev [52]
3 years ago
11

What is the source of the extra chromosome 21 in an individual with down syndrome?

Health
2 answers:
Juli2301 [7.4K]3 years ago
5 0

Answer:

no

Explanation:

PtichkaEL [24]3 years ago
4 0

Answer: abnormal cell division

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Because your body needs a certain amount of cals to be able function properly and the maintence cals are just the right amount of Cala your body needs to just be at a maintence.
You will lose if you are about 500-1000 Cals below your maintence cals you should lose one pound of fat in 1 -2 weeks
If you eat about 350 Cals above your maintence cals then you would gain an extra pound about every 10 days.
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