Suppose that your father is heterozygous for a recessive disorder. Also suppose that you know your mom has two "good" alleles. What is the probability that you will have the disorder?
a. 75%
b. 50%
c. 25%
d. 0%
Answer: d. 0%
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What structure in the CNS do neurons from olfactory epithelium first transmit action potentials to?
A. amygdala B. accessory olfactory bulb C. olfactory bulb D. cerebral cortex E. cerebellum
The type of virus indicated by the arrow labeled B is a(n)
A. plant or animal virus. B. plant virus. C. bacteriophage. D. animal virus. E. plant virus or bacteriophage.
Researchers found three genes on chromosome 22 in chimpanzees that, when compared to our human genes, have given us insight into our evolution. What were those three genes?
A. genes for speech development, hearing, and smell B. genes for chest size, cranial size, and leg length C. genes for speech development, opposable thumbs, and leg length D. genes for taste, opposable thumbs, and bipedalism E. genes for food preference, bipedalism, and cranial size
Match each tissue/ organ with its status regarding our current understanding of its resident microbiota:
a. skin and mucus membranes b. bladder and urine c. brain 1. no known microbes, but microbial DNA has been detected 2. believed to harbor some microbes 3. definitively know to harbor microbes