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Which genetic disease is caused by the dysfunction of the 13th chromosome?

Turner's syndrome

Patau syndrome

Cystic fibrosis

Klinefelter syndrome

Trisomy 13, also called Patau syndrome, is a chromosomal condition associated with severe intellectual disability and physical abnormalities in many parts of the body. Individuals with trisomy 13 often have heart defects, brain or spinal cord abnormalities, very small or poorly developed eyes

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the United States

18%

54%

21%

6%

33

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47%

13%

39%

23

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42%

20%

8%

75

the Philippines

27%

36%

18%

18%

11

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19%

34%

23%

23%

26

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25%

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31%

12%

16

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11%

1575

the United Kingdom

33%

25%

25%

14%

27

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37%

16%

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15%

108

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12

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30%

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23

How do baby birds get oxygen inside their eggs?

They have a large oxygen supply from the start

Oxygen is created during protein reduction

Oxygen comes in through pores in the shell

They don't need oxygen at all

How deep is the root system of a giant sequoia?

4 meters (13 feet)

20 meters (60 feet)

40 meters (130 feet)

80 meters (260 feet)

How many chromosomes does a mule have? (A horse has 64, a donkey has 62)

It is infertile and does not have chromosomes

What is the busiest airport in the world? (by number of passengers)

London Heathrow

Hartsfield–Jackson Atlanta International Airport

Beijing Capital International Airport

Dubai International Airport