Rating Newest Oldest. Best Answer: *Hitchhiker's Thumb* The ability to bend the thumb backward (at least 45 degrees) is a caused by a dominant allele. The proper term for this is distal hyperextensibility.People with dominant alleles have more flexible ligaments and thus looser joints.However, other sites say that hitchhiker's thumb is autosomal recessive so your best bet would be to trust your textbook or just ask your teacher!Source(s): I take AP Biology! sparkles62190 Â· 8 years ago.eople with dominant alleles have more flexible ligaments and thus looser joints. However, other sites say that hitchhiker's thumb is autosomal recessive so your best bet would be to trust your textbook or just ask your teacher! Source(s): I take AP Biology!
The Emperor Caligula once decided to go to war with the Roman God of the sea, Poseidon, and ordered his soldiers to throw their spears into the water at random. (14) Comments invisible pink unicorn:
470s BC. 1  479 BC: The Battle of Plataea, the Greeks defeat the Persians, ending the Persian Wars. 2  479 BC: Battle of Mycale. 3  479 BC: Potidaea is struck by a tsunami. 4  479 BC: Chinese philosopher Confucius dies. 5  478 BC: Establishment of the Temple of Confucius at (modern-day) Qufu. 6  477 BC: The Delian League is inaugurated.