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:
The eagle was the symbol of the Roman army, and the lightning bolt was the symbol of Jupiter, the king of the gods (Jupiter was the Roman version of the Greek god Zeus, who threw thunderbolts from the sky). Only one scutum in good condition has ever been found, at Dura Europos, a Roman fort in Syria.