1. You are researching microbial life in the Rocky Mountains. You scoop up a water sample from a melted snow puddle because you are curious about the possible microbes that might live there. Using your microscope, you examine several drops of the sample on microscope slides. Your examination reveals that […]

1) Black fur in mice (B) is dominant to brown fur (b). short tails (H) are dominant to long tails (h). what fraction of the offspring of the cross BbHh x BBhh will have black fur and long tails? a) show gametes of parent BbHh.b) show gametes of parent BBhh.c) […]

Marie sat quietly in the back of the class feeling relaxed, even though this was her first college class. “Here goes; this is the beginning of my future,” she excitedly thought. As the teacher walked to the front of the room, Marie suddenly felt dizzy and broke into a cold […]

Huntington’s disease is a rare autosomal dominant trait (lethal in the homozygous dominant condition). The mutation is an expansion of a nucleotide repeat in the DNA that encodes the huntingtin protein. Normal individuals have between 6-35 copies of a CAG repeat within the gene. Affected individuals can have between 36-121 […]