Dominant or Recessive Trait?

Can you name the dominant (d) and recessive (r) human traits?

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Trait(D)ominant or (R)ecessiveMore Information
O Blood Type
Male Pattern Baldness
Widow's Peak
Attached Earlobe
Marfan Syndrome
PTC Taster
Sickle-Cell Anemia
Hairless Mid-Digits
Longest First Toe
Myopia (Nearsightedness)
Huntington's Disease
No Dimples
Cystic Fibrosis
Rh+ Blood Type
Blue Eyes
Achondroplasia (Short-Limbed Dwarfism)
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More Info:
  • Although not all of these traits exhibit standard Mendelian inheritance (i.e. only controlled by one gene), all follow a pattern of dominance.
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Forced Order: Answers have to be entered in order
Wrong Answers: Some wrong answers will appear in red
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Last Updated: Feb 16, 2017

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