August 05, 2024
Red-green color blindness comes from a mutation carried on the X chromosome. Because it’s a recessive trait, a person with XX chromosomes will be color-blind only if both have the mutation, but a person with XY chromosomes will be color-blind if their single X chromosome is affected. This is why 1 in 12 men are red-green color-blind while only 1 in 200 women have the same impairment.
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Are Dogs Really Color-Blind?
In film and television, whenever the perspective of a dog is shown, the scene is usually edited to be in black, white, and grey—bright red roses look dull and dark, and fresh-cut grass seems more artificial than natural. But is this common portrayal of a dog’s-eye view true to reality? Is man’s
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Aug 04
Which Olympian broke a world record 35 times? -
Aug 03
Pieces of what famous landmark are included in the 2024 Olympic medals? -
Aug 02
Why did the location of one Olympics cause several new records to be set? -
Aug 01
How did a Jewish woman compete at the Olympics for Nazi Germany? -
Jul 31
Why was a tug-of-war team suspected of cheating at the Olympics? -
Jul 30
In what Olympic event did a 72-year-old person win a medal? -
Jul 29
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Jul 28
What do the Olympic rings represent? -
Jul 27
What Olympic legend won gold while wearing mismatched shoes? -
Jul 26
Why does the order of countries entering the Olympics sometimes appear random?