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BIOL1114

PREVIEW MATERIAL FOR Exam 3 - Fall 2014(November 17, 2014)

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Use a #2 pencil to fill in the information on your NCS answer sheet. Put your O-Key Account Username in the boxes indicated for LAST NAME and darken the appropriate circles. Write your Name (Last, First) and "Star" or "NoStar"in the space above the boxes containing your O-Key Account Username. Darken the (S) or (N) in the last column of the name circles. Enter the number 1433 and darken the corresponding circles in the first 4 columns of the "Student ID." Failure to perform this correctly will incur a -10pt handling fee. Read all questions and answers carefully before choosing the single BEST response for each question. Feel free to ask the instructor for clarification.




Summer squash can be grown in a variety of shapes and colors. Unlike most animals, plants can fertilize their own egg cells (self-pollinate). A gardener grew four different plants as described in the table below, then crossed them in many ways to see what offspring would be produced. Squash bugs are a major pest for summer squash.

Source

Source

Source


Giant Pandas Ailuropoda melanoleuca are cute herbivores that are threatened by habitat destruction. It is estimated that in 2012 approximately 200 pandas live in one reserve in Sichuan province in China that has a size of 200,000 hectares.

Hawain islands

Source


Harding ataxia is a recessive autosomal disease, persons afflicted with Harding ataxia have poor reflexes and balance. Peter and Mary are a married couple and do not show any signs of the disease. They have two children, a son and a daughter. The son has Harding ataxia but their daughter has no symptoms.


Duchenne muscular dystrophy (DMD) is a recessive X-linked form of muscular dystrophy, which results in muscle degeneration and early death. The disorder is caused by a mutation in the dystrophin gene, the largest gene located on the human X chromosome. Paul and Sue are a healthy married couple, neither Paul nor Sue show any signs of the disease. They have a boy who at age 4 is showing early symptoms of DMD.


The Ebola epidemic in West Africa is a dramatic example of an emerging infectious disease that has caused worldwide fear. Its victims experience hemorrhaging (excessive bleeding) in various parts of their bodies. Failure of vital organs from internal bleeding is often fatal. The mortality rate (the percentage of those infected who die) for Ebola virus infections is between 50% and 90%. It is spread from one person to another by contact with body fluids (i.e., blood, vomit, urine, feces, semen) from infected people. During the first nine months of this year, the death toll from Ebola in West Africa has exceeded 4,000. Because they are ineffective against viruses, antibiotics will not prevent Ebola transmission.

Hawain islands

Source : CDC

Hawain islands

Source : Médecins Sans Frontières

Hawain islands

Source : Médecins Sans Frontières


Fatal familial insomnia (FFI) is considered “the worst disease you can get.” It is an autosomal dominant prion disease. Sufferers of this disease begin to lose the ability to sleep at about age 40, leading to worsening hallucinations, delirium, dementia and eventually, death. FFI is caused by an amino acid replacement from an aspartate to asparagine at site 178 in the PrP protein,. This disease is extremely rare, so it can be assumed that anyone that develops the disease is heterozygous.

7 Dwarfs

Members of the Seven Dwarves have blood types O (Sleepy), A (Dopey), B (Sneezy) and AB (Grumpy). The Royal Red Cross sets up a blood drive at Snow White’s castle.