Trisomy-21 is popularly known as what?

Down Syndrome
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Related trivia

What do conifers use to hold seeds?
Pine Cones
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What is a full set of bones called?
Skeleton
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What light-sensitive cells in the eye detect colors?
Cones
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What are the tiny air sacs in the lungs called?
Alveoli
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What vitamin does the sun's ultraviolet rays help the skin produce?
Vitamin D
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Fish take in oxygen through their gills; what do insects take in oxygen through?
Spiracles
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What caused the Irish potato famine of the 1840's?
Blight
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What organ filters blood and helps regulate salt and water levels?
Kidneys
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What is the fin on the backs of fish, some whales and dolphins called?
Dorsal Fin
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What does ER (of a cell) stand for?
Endoplasmic Reticulum
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What type of muscle bends a joint in the body?
Flexor
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What is made by white blood cells to help fight off infection?
Antibody
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Where in the human body are the anvil and stirrups located?
Ear
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What is an urolith?
A Bladder Stone
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What do poachers seek when they kill elephants for their tusks?
Ivory
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Which is a tiny structure located in the cytoplasm of a cell?
Ribosome
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What type of creature generally lives on land but starts life in the water?
Amphibian
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What is the name of the largest shark?
Whale Shark
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What is a hominid?
An Upright-Walking Primate
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What are the tiny blood vessels that connect arteries and veins?
Capillaries
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Where does the zygote of a gymnosperm develop?
In The Ovule
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What are the members of a single type of living organism in an ecosystem called?
Population
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What substance, found in food, helps move wastes through the body?
Fiber
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What keeps a duck dry even though it spends almost all its time in the water?
Feathers
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