[Answer] In a group of 12 people 9 can roll their tongues and 3 cannot. Which phenotype is dominant?

In a group of 12 people 9 can roll their tongues and 3 cannot. Which phenotype is dominant?

Spirituals (also known as Negro spirituals Spiritual music or African-American spirituals) is a genre of songs originating in the United States and created by African Americans. Spirituals were originally an oral tradition that imparted Christian values while also describing the hardships of slavery. Although spirituals were originally unaccompanied monophonic songs they developed into …

Adderall is used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy (a sleep disorder). Long-term amphetamine exposure at sufficiently high doses in some animal species is known to produce abnormal dopamine system development or nerve damage but in humans with ADHD pharmaceutical amphetamines at therapeutic dosages appear to improve brain development and nerve growth.

Tue Feb 24 2004 13:30:00 GMT-0500 (Eastern Standard Time) · Scientific racism sometimes termed biological racism is the pseudoscientific belief that empirical evidence exists to support or justify racism (racial discrimination) racial inferio…