1) A mother rabbit has a litter. One of the babies is born with one long ear and one short ear. What most likely caused this one rabbit to be born with one short ear? a) The mother rabbit had previously lost an ear in an accident. b) The mother rabbit became sick before she gave birth. c) A mutation occurred during the development of this one rabbit. d) This one rabbit received less nutrition than the other rabbits before it was born. 2) Which of these traits is most influenced by a person’s environment? a) ability to roll the tongue b) blood type c) weight d) eye color 3) Some people have a “hitchhiker’s” thumb that allows them to bend their thumbs more than other people. How do these people most likely get this trait? a) They learn it from friends. b) They inherit it from their parents. c) They get it as a result of an illness. d) They get it as a result of their jobs. 4) Which is an example of a trait that is inherited? a) dimples b) intelligence c) weight d) favorite color 5) Which is most likely the reason parents and their children have similar physical traits? a) They live in the same home. b) They have similar genetic structures. c) They are born in similar environments. d) They have similar blood types. 6) Which is a trait children most likely inherit from their parents? a) favorite color b) food preference c) freckles d) weight 7) Which characteristic is the best example of an inherited trait? a) short hair b) eye color c) pierced ears d) long fingernails 8) Which is an example of a non-inherited trait? a) shape of face b) hair color c) food preference d) tongue rolling

Human Body Systems

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